Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trang thai » trang trai, trong thai, trang tai
nhung cong » dung cong, thong cong, hang cong
doc chieu » doc hieu, doi chieu, toc thieu
cong danh » cuong danh, cong dan, cong thanh
danh van » doanh van, dang van, dinh van

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu sach - canh ((trang thai) OR (tinh chat)) nhung cong danh van ban~.
• Adding a wildcard symbol may retrieve word variants: doc chieu sach - canh ((trang thai) or (tinh chat)) nhung cong danh van ban*.