Poster2 - How to combine keywords in the field search?

What can you tell us about how the search and sort stack works in poster2?

Does the search field allowing users to combine keywords with operators (or modifiers) such as AND, NOT and OR to further produce more relevant results?

Any other search suggestion for combine keywords to produce more relevant results would be much appreciated.

No, it is just a simple “contains” search, where you are able to enter some words, and all of them have to be existing inside the text.