Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
khong cong » khong cang, chong cong, khong con
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
doanh cua » doanh luan
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: hoc chieu xanh - canh doanh cua ((khong cong) OR (thong cong)) doan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh doanh cua ((khong cong) or (thong cong)) doan van ban*.