Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
tinh bang » tinh sang, tinh lang, tinh quang
bang vat » bang va, dang vat, cang vat
vat dung » van dung, va dung, viet dung
cong dan » cong san, cong tan, huong dan
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: ho ((chieu xanh) OR (chieu sach)) - tinh bang vat dung ((cong dan) or (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - tinh bang vat dung ((cong dan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sach)) - tinh bang vat dung ((cong dan) or (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sach)) - tinh bang vat dung ((cong dan) or (cong thanh)) toan ban*.