Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua nhung » va nhung
ban than » ban thanh, van thanh, ban hang
van tan » van tuan, van ban, van 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: hoc thieu xanh - doanh doanh cua nhung cong ((van tan) OR (ban than)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - doanh doanh cua nhung cong ((van tan) or (ban than)) cau*.