Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thang dong » thang long, tang dong, thanh dong
thanh phan » thanh pho, thanh san, thanh toan
cho thang » cho hang, cho thanh, cho tang
bac thanh » ban thanh, cac thanh, tai thanh
anh dung » anh dong, anh huong, sach dung
dong bac » dong bang, dong luc, dong hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu tinh)) - anh dung cho thang dong bac thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - anh dung cho thang dong bac thanh phan*.