Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doc hieu, doi chi, mot chieu
tinh tuan » trinh tuan, tinh toan, minh tuan
cong dang » cong dong, cong dan, cong dung
dang van » hoang van, hang va

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 - nhanh ((tinh tuan) or (trinh quan)) thanh cong dang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - nhanh ((tinh tuan) OR (trinh quan)) thanh cong dang van ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - nhanh ((tinh tuan) or (trinh quan)) thanh cong dang van ban*.