Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
trong san » cong san, dong san, trong ca
doc hieu » toc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
nhan tai » hang tai, van tai, toan tai

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) OR (hoc thieu)) xanh - hanh doanh cua dung ((trong san) OR (trong cac)) nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (hoc thieu)) xanh - hanh doanh cua dung ((trong san) or (trong cac)) nhan tai~".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (hoc thieu)) xanh - hanh doanh cua dung ((trong san) or (trong cac)) nhan tai*.