E_custome_product
search
$q = trim(urldecode($this->params['slug']));
$q_arr = explode(' ', $q);
$params_s['conditions']["OR"] = array();
foreach ($q_arr as $value) {
	array_push($params_s['conditions']["OR"], array( 'sku LIKE' => '%'.$value.'%', 'sku_full LIKE' => '%'.$value.'%'));
}


E_search_attribute_values - value
search
$q = trim(urldecode($this->params['slug']));
$search_model->find_by_value($q);