Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
bang thanh » ban thanh, dang thanh, tang thanh
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
truong ca » truong cao, truong va, trong ca
bang cong » dang cong, bang song, hang cong
cong bang » cuong bang, dong bang, hong bang
thanh cap » thanh lap, hanh cap, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh ((trung cua) or (truong ca)) bang cong bang thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trung cua) OR (truong ca)) bang cong bang thanh cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trung cua) or (truong ca)) bang cong bang thanh cap*.