Can't find the images when I try to find those with Bridge.

Hi everyone,

I couldn't find an answer for my problem looking around the web,

My problem is that when I try to find a collection of images with Bridge CC with a common metadata world as "Animals" the Bridge would keep "initiating" for the eternity (the longest that I've been waiting was 2 days), I'm sure there is a lots of Images with this metadata, but Bridge can't find neither only one.
Am I doing something wrong?
Can I do something to speed it up a little bit?

Thanks for the answers..