Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thanh tran » thanh trang, thanh toan, thanh tra
duong dong » duong cong, dung dong, duong hong
hieu manh » chieu xanh, hieu nganh, dieu hanh
van duong » van dong, van dung, van phong
tran van » luan van
dong von » dung von, dong co, dong hoc
von toan » van toan, mon toan, von doanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (thien danh)) - thanh tran van duong dong von toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (thien danh)) - thanh tran van duong dong von toan ban*.