In general domains needs to be relevant or brandable. You can have massive results that are not relevant. No one is searching for "Nothing Found" or would have any idea what the site had to offer looking at the domain.
Google Keyword Tool - Only 91 "Phrase" Searches/Month.
If you search the term on Google and look at the results you can tell they are irrelevant sentence fragments. Samples Below.
Raid on Swedish ISP, nothing found on the servers - Club CDFreaks ...
ht://Dig 3.x list archive: Re: [htdig] Nothing found
Demotivational Poster: 404 - Error Nothing Found Demotivational ...
Nothing found in album WITH videos in the Vimeo Bugs Forum