Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tong luan » tang luan, dung luan
hang luan » tang luan, dung luan
hung anh » hung manh, hong anh, phuong anh
dong anh » hong anh, dong thanh, hoang anh
tuan ban » tuan bang, toan ban, luan ban

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 ((tong luan) OR (hang luan)) chung ((hung anh) or (dong anh)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((tong luan) OR (hang luan)) chung ((hung anh) OR (dong anh)) tuan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((tong luan) OR (hang luan)) chung ((hung anh) or (dong anh)) tuan ban*".