Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
bong van » tong van, hong van, dong van
song van » hoang van, trong van, duong van
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 - canh tranh cua nhung ((bong van) or (song van)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh cua nhung ((bong van) OR (song van)) toan ban*.