Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
hieu nganh » vien nganh, hiem ngan, hieu manh
hoc hieu » hoc thieu, hoc hien, doc hieu
cua tong » cua dong, cua nong, cua song
cong dan » cong san, cong tan, huong dan
than cau » phan cau, than cap, thanh chau
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 hieu nganh - thanh thuong ((cua tong) OR (cua cong)) cong dan ((than cau) OR (toan cau))~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - thanh thuong ((cua tong) or (cua cong)) cong dan ((than cau) or (toan cau))*.