Perhaps you should try some spelling variations:
thinh sach » chinh sach, tinh sach, sinh sach
trung tuan » trung thanh, trung tam, tran tuan
trung cap » truong cao, trung tam
dang cong » dung cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
tien » tieng, bien, vien

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tien thinh sach - thanh ((trung tuan) or (trung cap)) dang cong dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tien thinh sach - thanh ((trung tuan) OR (trung cap)) dang cong dan thanh lap.
• Adding a wildcard symbol may retrieve word variants: tien thinh sach - thanh ((trung tuan) or (trung cap)) dang cong dan thanh lap*.