Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hanh tang » hanh trang, anh tang, hanh mang
hoc tien » hoc tieng, hoc hien, hoc vien
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
tang va » trang va, tang van, thang va

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 tang va thuong ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien thanh - hanh tang va thuong ((cong dan) OR (cong tan)) toan cau*.