Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan ban » van ban
toan cao » toan tap

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: theo chu sach - hanh tang cua nhung cong dan ((toan ban) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh tang cua nhung cong dan ((toan ban) or (toan cao))*.