Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » truong cao, trung tam
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
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 ((chinh sach) or (hieu lang)) - thanh trung cap dung cong dan ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (hieu lang)) - thanh trung cap dung cong dan ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (hieu lang)) - thanh trung cap dung cong dan ((than cau) or (toan ban))*.