Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
doanh cua » doanh luan
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
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 - canh ((((manh cua) or (doanh cua))) or (ban cua)) dung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh ((((manh cua) OR (doanh cua))) OR (ban cua)) dung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh ((((manh cua) or (doanh cua))) or (ban cua)) dung cong dan toan cau*.