They just like to have fun. but if you notice, after search cannot be found, it redirect to other url.
They actually have lot's of them http://www.google.com/intl/xx-bork/ http://www.google.com/intl/xx-elmer/ http://www.google.com/intl/xx-piglatin/
they have used just numerics for characters. E=3 R=12 Images = 1m4635 a=4, g=6, I mean they used numbers that looks similar to alphabets.
I've seen this in a CHIP magazine before. Pretty cool way of google saying "We're into this stuff too"
The webpage you are talking about is a fake "http://clients.arranschlosberg.com/chuck/" It's not really a google page.