Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
manh truong » manh trung, manh tuong, anh truong
tien thanh » tran thanh, den thanh
hanh cong » thanh cong, hang cong, nhanh chong
hanh dong » anh dong, ha dong
tac toan » tap toan, tam toan, hach toan
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: hoc ((tien thanh) or (tien thinh)) - manh truong quan ((hanh cong) OR (hanh dong)) tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (tien thinh)) - manh truong quan ((hanh cong) OR (hanh dong)) tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien thanh) or (tien thinh)) - manh truong quan ((hanh cong) OR (hanh dong)) tac toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (tien thinh)) - manh truong quan ((hanh cong) OR (hanh dong)) tac toan ban*.