Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu xanh » chieu xanh, hieu manh, dieu hanh
doanh cua » doanh luan
thanh cau » thanh chau, thanh mau, nhanh cau
cua nong » cua cong, cuu nong, cua dong
song van » hoang van, trong van, duong van
cong san » cong tac

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 xanh) OR (hieu nganh)) - canh doanh cua nong ((song van) or (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu nganh)) - canh doanh cua nong ((song van) OR (cong san)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu nganh)) - canh doanh cua nong ((song van) or (cong san)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu nganh)) - canh doanh cua nong ((song van) or (cong san)) thanh cau*.