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
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
cong san » cong tac
chan tap » phan tap, chan ta, toan tap
han tap » han tai, toan tap, nhan tai

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh doanh cua dang cong san ((chan tap) OR (han tap))~".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh doanh cua dang cong san ((chan tap) OR (han tap))*.