Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, nhung don
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
toan cao » toan tap
toan ban » van ban

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 - canh doanh cua ((nhung cong) OR (hang cong)) dan ((toan cao) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh doanh cua ((nhung cong) or (hang cong)) dan ((toan cao) or (toan ban))*.