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
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong tac » cong ty
van dau » phan dau

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)) cua nhung cong tac ((van dau) OR (van dao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh doanh) OR (doanh doanh)) cua nhung cong tac ((van dau) OR (van dao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh doanh) or (doanh doanh)) cua nhung cong tac ((van dau) OR (van dao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh doanh) or (doanh doanh)) cua nhung cong tac ((van dau) OR (van dao))*.