Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
tieu xanh » tieu danh, chieu xanh, dieu hanh
tran van » luan van
van dung » van dong, xay dung, tin dung
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
van dau » van dao, phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh tran van dung ((cong van) or (song van)) van dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh tran van dung ((cong van) OR (song van)) van dau*.