If you’re trying to set up the page to be filtered to show only some items, you can try this. https://support.wix.com/en/article/setting-dynamic-page-urls-to-display-a-collection-category-or-item-on-your-page
This could work as well. https://support.wix.com/en/article/filtering-database-content-displayed-on-your-page
If everything is displaying on the page, you can also allow users to filter by input. https://support.wix.com/en/article/filtering-content-based-on-user-selection