Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
tieu sach » dien sach, te sach, viet sach
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sach) or (chieu sach)) - cach mang cua nhung cong dan ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (chieu sach)) - cach mang cua nhung cong dan ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) or (chieu sach)) - cach mang cua nhung cong dan ((toan cau) or (van ban))*.