Yes. I just tested it by searching for [haskell dbus] and clicking a result link to my site. Here's the referer in my nginx log:

  2620:0:1000:3509:ed78:b06d:4942:90e1 - - [28/May/2013:17:35:00 +0000] "GET /software/haskell-dbus/ HTTP/1.1" 200 5819 "https://www.google.com/search?client=ubuntu&channel=fs&q=haskell+dbus&ie=utf-8&oe=utf-8" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:21.0) Gecko/20100101 Firefox/21.0"