Perhaps you should try some spelling variations:
hien thanh » thien thanh, hien hanh, tien thanh
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
trinh cua » tinh cua, trinh luat, trinh quan
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 hien thanh - hanh trinh cua thuong ((cong san) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien thanh - hanh trinh cua thuong ((cong san) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien thanh - hanh trinh cua thuong ((cong san) or (cong tan)) toan cao*.