Perhaps you should try some spelling variations:
tien thanh » tran thanh, den thanh
manh thong » anh thong, manh tuong, mang thong
quan hanh » quan thanh, quang thanh, quang khanh
hanh cong » thanh cong, hang cong, hanh dong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien thanh) or (tien thinh)) - manh thong quan hanh cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (tien thinh)) - manh thong quan hanh cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (tien thinh)) - manh thong quan hanh cong tac toan cao*.