Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chuong mai » thuong mai, phuong mai, huong mai
hieu manh » chieu xanh, dieu hanh, hien hanh
mai dung » mai hung, mai huong, manh dung
cong tac » cong ty
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 manh) or (hieu nganh)) - thanh chuong mai dung ((cong san) OR (cong tac)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (hieu nganh)) - thanh chuong mai dung ((cong san) OR (cong tac)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (hieu nganh)) - thanh chuong mai dung ((cong san) OR (cong tac)) than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (hieu nganh)) - thanh chuong mai dung ((cong san) OR (cong tac)) than cap*.