Perhaps you should try some spelling variations:
hang doanh » hanh doanh, nhung doanh, van doanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doanh cua » doanh luan
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
chan tha » chuan tham, chat thai, chan nhan
chan ta » nhan tai, nhan tao, phan tap

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 dung ((cong san) or (trong cac)) ((chan ta) OR (chan tha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hang doanh cua dung ((cong san) OR (trong cac)) ((chan ta) OR (chan tha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hang doanh cua dung ((cong san) or (trong cac)) ((chan ta) OR (chan tha))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hang doanh cua dung ((cong san) or (trong cac)) ((chan ta) OR (chan tha))*.