Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
thien danh » thien anh, thien dang, thien thanh
tuan chong » tuan phong, thuan phong, toan thong
chong cong » cong cong, thong cong, cuong cong
tran tuan » tran xuan, tran quang, tran thanh
dien dan » hien dai, vien dai, gian dan
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (dien dan)) - thanh tran tuan chong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (dien dan)) - thanh tran tuan chong cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (dien dan)) - thanh tran tuan chong cong tac than cau*.