I found what changed the behavior was running the 'report a problem' from the help menu. The search results would start working after I ran this report. The search results then stopped showing after Firefox sat idle for some time.
-- typing in location bar does not bring up search results https://bugs.launchpad.net/bugs/624625 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs