Change the 'No products were found matching your selection' message - Change the text without modifying the template file. https://www.damiencarbery.com/2020/05/change-the-no-products-were-found-matching-your-selection-message/

change-no-products-found-text.php

<?php
/*
Plugin Name: Change the 'No products were found matching your selection' message
Plugin URI: https://www.damiencarbery.com/2020/05/change-the-no-products-were-found-matching-your-selection-message/
Description: Change the text without modifying the template file.
Author: Damien Carbery
Author URI: https://www.damiencarbery.com
Version: 0.1
*/

// Customise the message when no products found.
add_action( 'wp_head', 'dcwd_change_no_products_found_text' );
function dcwd_change_no_products_found_text() {
	// Remove the original code that uses the no-products-found.php template.
	remove_action( 'woocommerce_no_products_found', 'wc_no_products_found' );
	// and add in my own code.
	add_action( 'woocommerce_no_products_found', 'dcwd_no_products_found' );
}


function dcwd_no_products_found() {
	// Use the original message in case one of the conditions below is not met.
	$message = 'No products were found matching your selection.';
	
	if ( is_product_category() ) {
		$message = sprintf( 'We do not currently have any <strong>%s</strong> products for sale.', single_term_title('', false) );
	}
?>
<p class="woocommerce-info"><?php echo $message; ?></p> 
<?php
}