Custom Search Template in Genesis showing Results Grouped by Post Types. https://sridharkatakam.com/custom-search-template-in-genesis-showing-results-grouped-by-post-types/

functions.php

// Copy of genesis_custom_loop() with the addition of a line to access Relevanssi's query engine directly
function sk_custom_loop( $args = array() ) {

	global $wp_query, $more;

	$defaults = array(); //* For forward compatibility
	$args     = apply_filters( 'genesis_custom_loop_args', wp_parse_args( $args, $defaults ), $args, $defaults );

	$wp_query = new WP_Query( $args );

	// added this based on http://www.relevanssi.com/knowledge-base/relevanssi_do_query/
	relevanssi_do_query( $wp_query );

	//* Only set $more to 0 if we're on an archive
	$more = is_singular() ? $more : 0;

	genesis_standard_loop();

	//* Restore original query
	wp_reset_query();

}

search.php

<?php

/**
 * Author: Sridhar Katakam
 * Link: https://sridharkatakam.com/
 */

remove_action( 'genesis_loop', 'genesis_do_loop' );
add_action( 'genesis_loop', 'sk_do_search_loop' );
/**
 * Outputs a custom loop.
 *
 * @global mixed $paged current page number if paginated.
 * @return void
 */
function sk_do_search_loop() {
	// create an array variable with specific post types in your desired order.
	$post_types = array( 'recipe', 'page', 'post' );

	echo '<div class="search-content">';

	foreach ( $post_types as $post_type ) {
		// get the search term entered by user.
		$s = isset( $_GET["s"] ) ? $_GET["s"] : "";

		// accepts any wp_query args.
		$args = (array(
			's' => $s,
			'post_type' => $post_type,
			'posts_per_page' => 5,
			'order' => 'ASC',
			'orderby' => 'title'
		));

		$query = new WP_Query( $args );
		if ( $query->have_posts() ) {
			echo '<div class="post-type '. $post_type .'"><div class="post-type-heading">'. $post_type . 's</div>';
				// remove post info.
				remove_action( 'genesis_entry_header', 'genesis_post_info', 12 );

				// remove post image (from theme settings).
				remove_action( 'genesis_entry_content', 'genesis_do_post_image', 8 );

				// remove entry content.
				// remove_action( 'genesis_entry_content', 'genesis_do_post_content' );

				// remove post content nav.
				remove_action( 'genesis_entry_content', 'genesis_do_post_content_nav', 12 );
				remove_action( 'genesis_entry_content', 'genesis_do_post_permalink', 14 );

				// force content limit.
				add_filter( 'genesis_pre_get_option_content_archive_limit', 'sk_content_limit' );

				// modify the Content Limit read more link.
				add_filter( 'get_the_content_more_link', 'sp_read_more_link' );

				// force excerpts.
				// add_filter( 'genesis_pre_get_option_content_archive', 'sk_show_excerpts' );

				// modify the Excerpt read more link.
				add_filter( 'excerpt_more', 'new_excerpt_more' );

				// modify the length of post excerpts.
				add_filter( 'excerpt_length', 'sp_excerpt_length' );

				// remove entry footer.
				remove_action( 'genesis_entry_footer', 'genesis_entry_footer_markup_open', 5 );
				remove_action( 'genesis_entry_footer', 'genesis_entry_footer_markup_close', 15 );
				remove_action( 'genesis_entry_footer', 'genesis_post_meta' );

				// remove archive pagination.
				remove_action( 'genesis_after_endwhile', 'genesis_posts_nav' );

				// custom genesis loop with the above query parameters and hooks.
				genesis_custom_loop( $args );

			echo '</div>';
		}
	}

	echo '</div>'; // .search-content

}

function sk_content_limit() {
	return '150'; // number of characters.
}

function sp_read_more_link() {
	return '... <a class="more-link" href="' . get_permalink() . '">Continue Reading</a>';
}

function sk_show_excerpts() {
	return 'excerpts';
}

function new_excerpt_more( $more ) {
    return '... <a class="more-link" href="' . get_permalink() . '">Continue Reading</a>';
}

function sp_excerpt_length( $length ) {
	return 20; // pull first 20 words.
}

genesis();

search.php with standard WP loop

<?php

remove_action( 'genesis_loop', 'genesis_do_loop' );
add_action( 'genesis_loop', 'prefix_do_loop' );
/**
 * Outputs a custom loop
 *
 * @global mixed $paged current page number if paginated
 * @return void
 */
function prefix_do_loop() {

	// get all the post types
	$post_types = get_post_types();

	// get specific post types in the order given
	// $post_types = array( 'recipe', 'page', 'post' );

	foreach ( $post_types as $post_type ) {
		$s = isset($_GET["s"]) ? $_GET["s"] : "";

		// WP_Query arguments
		$args = array (
			's' => $s,
			'post_type' => $post_type,
			'posts_per_page' => 5,
			'order' => 'ASC',
			'orderby' => 'title'
		);

		// The Query
		$query = new WP_Query( $args );

		// The Loop
		if ( $query->have_posts() ) {
			echo '<strong>'. $post_type . '</strong>';
			while ( $query->have_posts() ) {
				$query->the_post();
				// do something
				echo '<p>' . get_the_title() . '</p>';
			}
		} else {
			// no posts found
		}

		// Restore original Post Data
		wp_reset_postdata();
	}


}

genesis();

search1.php

// custom genesis loop with the above query parameters and hooks
genesis_custom_loop( $args );

search2.php

// custom genesis loop with the above query parameters and hooks
sk_custom_loop( $args );

style.css

.search-content {
	background-color: #fff;
	padding: 40px;
	margin-bottom: 40px;
}

.post-type {
	border-bottom: 1px solid #ededed;
	margin-bottom: 40px;
}
.post-type:last-child {
	border-bottom: none;
	margin-bottom: 0;
}

.post-type-heading {
	font-size: 40px;
	font-size: 4rem;
	text-transform: uppercase;
	margin-bottom: 40px;
	text-align: center;
}

.search .content .entry {
	background: transparent;
	padding: 0;
	margin-bottom: 12px;
}

.search .content .entry-title {
	font-size: 20px;
	font-size: 2rem;
}

.search .content .entry-title a {
	text-decoration: none;
}