Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh long » thanh cong, thang long, thanh huong
dung cong » dung trong
long cua » luong cua, cong cua, dong cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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: theo ((chieu xanh) OR (chieu sang)) - thanh long cua dung cong dan ((than cao) OR (thai cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - thanh long cua dung cong dan ((than cao) OR (thai cao))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - thanh long cua dung cong dan ((than cao) OR (thai cao))*.