Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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: doi chieu sach - thanh ((trung tuan) OR (truong cua)) dung cong dan toan tap~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung tuan) or (truong cua)) dung cong dan toan tap*.