Single search term not returning results correctly

Hello,

This is the only plugin meant to include Woocommerce categories and tags in search results that works out of the box that I could find, so good job.

I have a problem though. The search term ‘skirts’ does not return the result correctly. ‘Skirts’ is a category, searches for other categories work fine.
It returns the correct number of results, but it’s just an empty list (ul with no li).

I’m pretty much only using Woocommerce with the default Storefront theme.

thingsyoulike.biz

https://www.ads-software.com/plugins/search-manager/