Perhaps you should try some spelling variations:
luat thuong » suat thong
tien thanh » tien thinh, tran thanh, den thanh
hanh trinh » canh tranh, hanh chinh
hoc tien » hoc tieng, hoc hien, hoc vien
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
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 - hanh trinh luat thuong ((cong san) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien thanh - hanh trinh luat thuong ((cong san) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc tien thanh - hanh trinh luat thuong ((cong san) or (cong tan)) toan cao*.