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