Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
dung cong » dung trong
dang van » hoang van, hang va
van cau » van dau, van hau, van chat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh doanh cua ((dang cong) or (dung cong)) dang van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh doanh cua ((dang cong) OR (dung cong)) dang van cau*.