<?php 
add_shortcode( 'extended_search', 'wws_shortcode_handler' );
function wws_shortcode_handler( $atts, $content = null ) {
   global $wpdb;
  $out = '
  <form role="search" method="get" id="searchform" action="'.get_option('home').'" class="form_container">
			<div>
				<label class="screen-reader-text" for="s">'.apply_filters( 'woocommerce_esearch_label', get_option( 'woocommerce_esearch_label' ) ).'</label>
				<input type="text" class="input_field" value="'.sanitize_text_field( $_GET['s'] ).'" name="s" id="s" placeholder="'.apply_filters( 'woocommerce_esearch_placeholder', get_option( 'woocommerce_esearch_placeholder' ) ).'">
				<input type="submit" class="submit_button" id="searchsubmit" value="'.apply_filters( 'woocommerce_esearch_button', get_option( 'woocommerce_esearch_button' ) ).'">
				<input type="hidden" name="post_type" value="product">
				<input type="hidden" name="search_type" value="ex">
			</div>
		</form>
		
  ';
  return $out;

}

?>