Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, hieu manh
vien thanh » viet thanh, tien thanh, dien thanh
cua thuong » cua truong, cua phuong, ca thuong
cua thong » cua khong, cua tong, suat thong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu nganh) or (vien thanh)) - thanh trung ((cua thong) or (cua thuong)) cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (vien thanh)) - thanh trung ((cua thong) OR (cua thuong)) cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (vien thanh)) - thanh trung ((cua thong) or (cua thuong)) cong dan than cap*.