Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
chan tap » han tap, phan tap, toan tap
chan ta » chan tha, nhan tai, nhan tao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh doanh ((cua dung) OR (cua dong)) cong san ((chan tap) OR (chan ta))~.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh doanh ((cua dung) or (cua dong)) cong san ((chan tap) or (chan ta))*.