Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
chinh su » chinh phu, chinh ta, chinh va
cong van » cong vang, cong san, song van
van can » van canh, van ban, ban can
can ban » van ban, toan 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 ((chinh su) or (hinh su)) dung cong van can ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((chinh su) OR (hinh su)) dung cong van can ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((chinh su) or (hinh su)) dung cong van can ban*.