If you want to use the advance search box, then select Show Search Box from "Search &Filter" tab. It will appear a search box on your front-end table page. Now turn on "Advance Search" option from Configure page.
You can also search from a specific area. As an example, suppose you want to search only from the post title and SKU then select post_title and _sku from "Search From". Also, you can search from other sections.
Also you can search from taxonomy as well. Set which taxonomy you want to search in.
Finally if you want to see the demo table click here.