Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cua truong » cua trung, xuan truong, cac truong
doi chieu » doc hieu, doi chi, ho chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((thanh tung) or (anh huong)) cua truong ((cong dan) OR (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh tung) OR (anh huong)) cua truong ((cong dan) OR (cong tan)) than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((thanh tung) or (anh huong)) cua truong ((cong dan) OR (cong tan)) than cau*".