Знайшов вiдповiдь:
shop_browse_queries.php
знаходимо
case "find_in_set_any":
$comp = array();
foreach($get_item_value as $value) {
array_push($comp,"FIND_IN_SET('$value',`$parameter_name`)");
}
$comp = "(" . join($get_item_value_comp == "find_in_set_all"?" AND ":" OR ", $comp) . ")";
$parameter_name = "";
$get_item_value = "";
break;
замiнюэмо на:
case "find_in_set_any":
$comp = array();
foreach($get_item_value as $value) {
array_push($comp,"`$parameter_name` LIKE '%$value%'");
}
$comp = "(" . join($get_item_value_comp == "find_in_set_all"?" OR ":" OR ", $comp) . ")";
$parameter_name = "";
$get_item_value = "";
break;
тепер iдеально працюэ пошук