Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cua truong » cua trung, xuan truong, cac truong
cong quang » luong quang, thong quang, duong quang
quang toan » quang tuan, quang tran, quang doan
cua trong » cua trung, qua trong, ca trong
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 (chieu sach)) - thanh san ((cua trong) OR (cua truong)) cong quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - thanh san ((cua trong) OR (cua truong)) cong quang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - thanh san ((cua trong) OR (cua truong)) cong quang toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - thanh san ((cua trong) OR (cua truong)) cong quang toan ban*.