I think a few people including myself have seen this. Best guess is
that it's a caching issue on the twitter server side. Here are some
other threads with similar issues:
http://groups.google.com/group/twitter-development-talk/browse_thread/thread/e368ccc88f393885/a4f217e36b0
Hi,
I've been noticing issues that when I add a language to my search api
request I don't always get back the proper data. When I hit the api
without lang=en I get the expected results. When I hit the api with
lang=en I get nothing back even though the tweets are marked as "en"
in the call that w