Google trends, http://www.google.com/trends, is one place to see the top search terms being used in the world and in Thailand.
YouTube had is own trends link, http://youtube-trends.blogspot.com/.
Just to remind you, in Google Search, click on Search Tools, then you will be able to limit your search for "trends" anywhere from the past year to the past hour.
Again, during class this week, I want at least two team members to go outside of the classroom to demonstrate a trend remotely. comminn101.com has the more detailed instructions posted already.