Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
thai luan » thi luan, thai luat, phap luan
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van 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) or (chiet tach)) - nhanh thai luan chung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - nhanh thai luan chung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - nhanh thai luan chung cong van toan ban*.