When I perform some search through the API, like this example:
http://search.twitter.com/search.atom?q=imente%20com%20-huubs%20verdienst%20-steven%20huubs%20-marc%20mateu%20gardey%20-marc%20mateu%20alsina%20-v%20imente%20com%20-juvenil%20-marc%20mateusince_id=9970356763
I get he response that
Can you post the exact URL you're using? The one posted fails because the
query is longer than 140 characters. Trimming it to a single term succeeds.
This may be due to the fact that your ID is older than two weeks, and is
therefore unknown to search. You could try using since=date instead and