[galaxy-dev] Why are the search options in datasets no longer using AND logic?

Hi, One very cool feature was to be able to search quickly for datasets using the search feature. You could continue to add terms until your search results in the correct set... It was basically doing an AND search for the terms you entered..... This feature has seem to have disappeared? Now a search term replaces your previous term so you can no longer pair your search down and there does not seem to be any support for using AND or &.... Is this a bug or a new feature? Thanks Thon