Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua dong » chua dong, cua cong, cua dang
dang van » hoang van, hang va
doan van » doan va, hoang van, luan van
ha dong » hoat dong, van dong

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 - chinh doanh ((cua dong) OR (ha dong)) trong ((dang van) OR (doan van)) ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - chinh doanh ((cua dong) or (ha dong)) trong ((dang van) or (doan van)) ban*.