Perhaps you should try some spelling variations:
dong thanh » truong thanh
hang doanh » hanh doanh, nhung doanh, van doanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
nhung cau » chung cu, nhung bai, nhu cau
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong
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 - hang doanh ((cua dang) OR (cua ban)) ((dong thanh) or (cong san)) nhung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hang doanh ((cua dang) OR (cua ban)) ((dong thanh) OR (cong san)) nhung cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hang doanh ((cua dang) OR (cua ban)) ((dong thanh) or (cong san)) nhung cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hang doanh ((cua dang) OR (cua ban)) ((dong thanh) or (cong san)) nhung cau*.