Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chu bang » thu bang, chuc nang, chu quang
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu bang) or (chieu sach)) - canh tranh ((cua dung) or (qua dung)) cong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu bang) OR (chieu sach)) - canh tranh ((cua dung) OR (qua dung)) cong dan khan cap.
• Adding a wildcard symbol may retrieve word variants: theo ((chu bang) or (chieu sach)) - canh tranh ((cua dung) or (qua dung)) cong dan khan cap*.