Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cach nhanh » cac nganh, cac nhan, cac thanh
nhanh cua » nhan cua, hanh cua, nhanh cuc
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
han tu » phan tu, hanh tu, ban tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) OR (chieu sach)) - cach nhanh cua dung ((cong dan) or (cong tan)) han tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - cach nhanh cua dung ((cong dan) OR (cong tan)) han tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - cach nhanh cua dung ((cong dan) or (cong tan)) han tu*".