Perhaps you should try some spelling variations:
tien thanh » tran thanh, den thanh
manh luong » manh cuong, manh long, manh tuong
luong quan » thong quan, duong qua
quan thanh » ban thanh, van thanh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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 luong quan thanh cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (tien thinh)) - manh luong quan thanh cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (tien thinh)) - manh luong quan thanh cong tan toan cau*.