Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
cap thanh » cac thanh, lap thanh, tap thanh
cong tac » cong ty
quan lap » quan luan, quang lam, quan lang
quan tam » quan tai, quan am, quan nam

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: ho ((chieu xanh) OR (chieu sach)) - thanh trung cap thanh cong tac ((quan lap) OR (quan tam))~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - thanh trung cap thanh cong tac ((quan lap) or (quan tam))*.