Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan chung » luan chinh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
song van » hoang van, trong van, duong van
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: ho chieu sach - hanh tang luan chung ((song van) or (trong cac)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tang luan chung ((song van) OR (trong cac)) tuan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tang luan chung ((song van) or (trong cac)) tuan ban*.