search on taxonomy wordpress query

1// We get a list taxonomies on the search box
2function get_tax_by_search($search_text){
3
4$args = array(
5    'taxonomy'      => array( 'my_tax' ), // taxonomy name
6    'orderby'       => 'id', 
7    'order'         => 'ASC',
8    'hide_empty'    => true,
9    'fields'        => 'all',
10    'name__like'    => $search_text
11); 
12
13$terms = get_terms( $args );
14
15 $count = count($terms);
16 if($count > 0){
17     echo "<ul>";
18     foreach ($terms as $term) {
19       echo "<li><a href='".get_term_link( $term )."'>".$term->name."</a></li>";
20
21     }
22     echo "</ul>";
23 }
24
25}
26
27// sample
28get_tax_by_search('Foo');