Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, mot chieu
trung cap » truong cao, trung tam
tang dang » tang dan, dang dang, tang bang
dang van » hoang van, hang va
ban dan » ban hang, ban hanh, ban quan

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 - thanh ((trung cap) or (trung tuan)) tang dang van ban dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cap) OR (trung tuan)) tang dang van ban dan*.