Combined Keywords based domain name search and registration
(1)
BEST !
Combine as many words as you like. Just type a few words then press enter.
Further more, you can click on Synonyms link to add similar words from dictionary!
Really cool!
http://www.aptdomain.name/
(2)
Keywords Based Domain Search
You can enter up to three words related to the domain you are searching and namecheap.com will return suggestions based on that.
http://www.namecheap.com/domain-name-search.asp?type=keyword