Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
van hung » van dung, manh hung, van duong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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 tran ((van hung) OR (va nhung)) ((cong dan) OR (cong tan)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tran ((van hung) or (va nhung)) ((cong dan) OR (cong tan)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tran ((van hung) or (va nhung)) ((cong dan) OR (cong tan)) toan tap*.