Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh van » thanh san, thanh toan, thanh phan
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
toan ban » van ban
ha tinh » va tinh, may tinh
va dung » van dung, va duong, vat dung
van va » van vat, van van, ban va

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 (ha tinh)) - thanh van va dung cong dan ((toan tap) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (ha tinh)) - thanh van va dung cong dan ((toan tap) or (toan ban))*.