Fedora

keyword = fedora title   = Fedora Packages url     = http://admin.fedoraproject.org/pkgdb/apps/search/{%query} keyword = fed title   = Fedora Packages url     = http://admin.fedoraproject.org/pkgdb/apps/search/{%query}

keyword = fedora-wiki title   = Fedora Wiki Search url     = http://fedoraproject.org/wiki/Special:Search?search={%query} keyword = fedw title   = Fedora Wiki Search url     = http://fedoraproject.org/wiki/Special:Search?search={%query}

Also see
For searching the Fedora Bugtracker see Issue Tracker.