May be you don't have working beagle and use standart slow xml search. if that right, you need to install beagle: sudo apt-get install beagle and then wait, while it indexing your hard drive. After that, you can use "fast search" in yelp.
Sorry for my english. -- yelp search doesn't do anything https://launchpad.net/bugs/50017 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs