for this you need to have 2 checkbox groups:
in Data Assist Search, set up 2 criteria's, one for each checkbox group.
in each, use the Key Word criteria type, and set the OR seperator to ", "
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.