Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
canh ban » can ban, canh dan, canh van
cua dang » cua cong, cua ban
phan cac » nhan cach, phan dau, phan lap

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 - canh ban ((cua dang) or (va nhung)) cong luan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ban ((cua dang) OR (va nhung)) cong luan phan cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ban ((cua dang) or (va nhung)) cong luan phan cac*.