Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
than tap » han tap, phan tap, than cap
toan tap » toan ban
ban cua » ban quan

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 - hanh ((ban cua) or (dung cua)) nhung cong dan ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh ((ban cua) OR (dung cua)) nhung cong dan ((than tap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh ((ban cua) or (dung cua)) nhung cong dan ((than tap) or (toan tap))*.