Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong dan » cong tan, huong dan, cong dong
cong tac » cong ty
phan dau » phan tu, hang dau

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 tranh van nhung ((((cong dan) OR (cong tac))) OR (cong san)) phan dau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh van nhung ((((cong dan) or (cong tac))) or (cong san)) phan dau*.