Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hanh trinh » hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
hoc tien » hoc tieng, hoc hien, hoc vien
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien thanh - ((hanh trinh) OR (canh tranh)) cua thuong ((cong san) OR (cong tan)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien thanh - ((hanh trinh) OR (canh tranh)) cua thuong ((cong san) or (cong tan)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc tien thanh - ((hanh trinh) OR (canh tranh)) cua thuong ((cong san) or (cong tan)) toan cau*.