Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu quang » thieu quang, hieu quan, hieu qua
canh doanh » hanh doanh, chinh doanh, kinh doanh
nhan thong » nhan trong, nha thong, nhan khong
thong cong » trong cong, tong cong, thong thong
cong doan » cong dan, cong hoan, dong doanh
doan van » doan va, hoang van, luan van

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: ho ((chieu tinh) OR (hieu quang)) - ((canh doanh) OR (doanh doanh)) nhan thong cong doan van ban~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (hieu quang)) - ((canh doanh) or (doanh doanh)) nhan thong cong doan van ban*.