Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, hanh dong, manh dung
anh dung » anh dong, anh huong, sach dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
va hang » van hang, va nang, va lang

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 - ((hanh dung) OR (anh dung)) va hang ((cong dan) OR (cong tan)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh dung) or (anh dung)) va hang ((cong dan) OR (cong tan)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh dung) or (anh dung)) va hang ((cong dan) OR (cong tan)) toan cau*.