Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thanh tran » thanh trang, thanh toan, thanh tra
tran thanh » ban thanh, van thanh, quan thanh
tang thanh » dang thanh, trung thanh, hoang thanh
ton thien » hoan thien, toan thiet, doan thien
hung cong » nhung cong, hung cuong, phung cong
tran van » luan van
van hung » van dung, manh hung, van duong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ton thien danh - thanh tran van hung cong ((tran thanh) or (tang thanh)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton thien danh - thanh tran van hung cong ((tran thanh) OR (tang thanh)) lap*.