Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
anh bang » anh hoang, anh quang, tinh bang
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
bang va » hang va, ban va, trang va
chuc » thuc, chu, chua

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 (chuc nang)) - anh bang va nhung cong san ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chuc nang)) - anh bang va nhung cong san ((toan cau) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chuc nang)) - anh bang va nhung cong san ((toan cau) OR (toan tap))*.