Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh hang » tranh hang, cang thang, danh thang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan lap
va dung » van dung, va duong, vat dung

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 - canh hang va dung ((cong dan) OR (cong tan)) ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh hang va dung ((cong dan) OR (cong tan)) ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh hang va dung ((cong dan) OR (cong tan)) ((phan cau) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh hang va dung ((cong dan) OR (cong tan)) ((phan cau) or (phan tu))*.