Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, kinh doanh
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 - ((canh doanh) or (doanh doanh)) ((va nhung) or (cua cong)) cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh doanh) OR (doanh doanh)) ((va nhung) OR (cua cong)) cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh doanh) or (doanh doanh)) ((va nhung) or (cua cong)) cong dan van ban*.