I found this post helped me https://www.seblod.com/community/forums/lists-search-types/list-search-type-shows-empty-list
First of all you need to add your items, then you can search based on "live variation". Simply add the option dropdown and press 2, then put live variation as "starter". After that press 1 and set it to hidden. Create a new search for each type of menu item (starter, main, dessert).
Finally!!! I DID ITTTT