Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoang manh » hoang minh, hoang anh, hoang xanh
hieu xanh » hieu manh, hieu nganh, dieu hanh
nhung cau » chung cu, nhung bai, nhu cau
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong thanh, cong ty
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 (chieu xanh)) - hoang manh cua dang ((cong tan) OR (cong san)) nhung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - hoang manh cua dang ((cong tan) OR (cong san)) nhung cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (chieu xanh)) - hoang manh cua dang ((cong tan) OR (cong san)) nhung cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (chieu xanh)) - hoang manh cua dang ((cong tan) OR (cong san)) nhung cau*.