Function which generates a list of links corresponding to each selected term in a search query. Requires WP Advanced Search.

gs_selected_criteria.php

<?php
function gs_selected_criteria() {
	
	$terms = array();
	$search = new WP_Advanced_Search();
	$taxonomies = $search->selected_taxonomies;

	if ($taxonomies) {
		$output = '<div class="selected-terms">SELECTED CRITERIA</div>';
		foreach ($taxonomies as $taxonomy => $terms) {
			foreach ($terms as $term) {
				$tax = get_term_by('slug',$term,$taxonomy);
				$name = $tax->name;
				$output .= '<a rel="'.$term.'" class="selected-term">'.$name.'</a>';
			}
		}
		return $output;
	}
}