Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh tung, thanh huong
thanh thuong » thanh huong, thanh chuong, thanh phuong
hieu nganh » vien nganh, hiem ngan, nghiep nganh
khong cong » thong cong, khong cang, chong cong
hieu manh » chieu xanh, dieu hanh, hien hanh
cua khong » hua khong, cua phuong, cua thuong
san chang » ban hang, dan chan, van khang
cong san » cong tac
chang tu » chung tu, chang xu, hang tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) or (hieu nganh)) - ((thanh truong) OR (thanh thuong)) cua khong cong san chang tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (hieu nganh)) - ((thanh truong) OR (thanh thuong)) cua khong cong san chang tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu manh) or (hieu nganh)) - ((thanh truong) OR (thanh thuong)) cua khong cong san chang tu".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (hieu nganh)) - ((thanh truong) OR (thanh thuong)) cua khong cong san chang tu*.