Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
va dung » va duong, vat dung, va ung

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 sang) or (chieu sach)) - thanh trung ((va dung) or (van dung)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh trung ((va dung) OR (van dung)) cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - thanh trung ((va dung) or (van dung)) cong dan toan tap*.