dalemoore

via http://wordpress.stackexchange.com/questions/2623/include-custom-taxonomy-term-in-search/5404#5404

function atom_search_where($where){
  global $wpdb;

  if ( is_search() )
    $where .= "OR (t.name LIKE '%".get_search_query() . "%' AND {$wpdb->posts} . post_status = 'publish')";

  return $where;
}