Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong san » cong tac
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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: hoc chieu xanh - doanh doanh ((cua dung) OR (cua dang)) cong san ((phan cac) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - doanh doanh ((cua dung) OR (cua dang)) cong san ((phan cac) or (phan dau))~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - doanh doanh ((cua dung) OR (cua dang)) cong san ((phan cac) or (phan dau))*.