How can I search a field using Boolean operators?

How can I search a field using Boolean operators?

Hi

I'm developing a bookmarking application using Zoho and a central piece of functionality is to be able to search the bookmark tags field using boolean operators, e.g. contains TV and RADIO but not PODCASTS.

I'm astonished to find that (given Zoho Creator is a database creation application), this doesn't seem possible. It's not possible to execute the search via the GUI (I can only search for one tag as it doesn't accept boolean operators), and I can't execute the search via a stateless form and Deluge scripting as I have discovered that there is a known limitation on using criteria with multiple select fields!? See: https://help.creator.zoho.com/Known-Issues-or-Limitations.html.

Have I missed something, or can Zoho not deliver this functionality? Please forgive me if I've missed something.

Cheers

Martin