Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh 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 tap » han tap, chan ta, toan tap
phan tap » phan lap, han tap, pha 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 - hanh doanh cua dung ((trong cac) or (cong san)) ((chan tap) OR (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh doanh cua dung ((trong cac) OR (cong san)) ((chan tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh doanh cua dung ((trong cac) or (cong san)) ((chan tap) OR (phan tap))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh doanh cua dung ((trong cac) or (cong san)) ((chan tap) OR (phan tap))*.