Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dung » thanh duong, thanh tung, thanh hung
hieu lang » chieu sang, hieu quang, nhieu tang
dung cua » dung luan, dung cho
ban cong » bang cong, van cong, phan cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 (hieu lang)) - thanh dung cua ban cong dan ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu lang)) - thanh dung cua ban cong dan ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (hieu lang)) - thanh dung cua ban cong dan ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (hieu lang)) - thanh dung cua ban cong dan ((toan cau) OR (toan ban))*.