Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong quang » luong quang, thong quang, duong quang
hung cong » nhung cong, hung cuong, phung cong
anh bang » anh hoang, anh quang, tinh bang
bang lan » bang luan, ban lan, bang lam
lan hung » van hung, luan chung, lan phuong
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) OR (chieu sach)) - anh bang lan hung cong quang ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu sach)) - anh bang lan hung cong quang ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu xanh) OR (chieu sach)) - anh bang lan hung cong quang ((than cau) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) OR (chieu sach)) - anh bang lan hung cong quang ((than cau) or (than cap))*.