Maybe it's time for a fancy new keyboard? Or maybe it's just another sign of the decline of the American Empire?
Or maybe, to think more optimistically, it means that Google, through reCAPTCHA, has finished scanning all printed matter written in the Roman alphabet?
[Added] As it happens, the first word must have been the actual challenge word. I typed "couseary chinese" and got in, at any rate. Be interesting to see the list of guesses for the second word.