Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
chu sang » chu bang, thu sang, chieu sang
cua dung » cua dang, cua dong, qua dung
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 sang) or (((chieu sach) OR (chinh sach)))) - canh tranh cua dung cong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (((chieu sach) OR (chinh sach)))) - canh tranh cua dung cong dan khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sang) or (((chieu sach) OR (chinh sach)))) - canh tranh cua dung cong dan khan cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) or (((chieu sach) OR (chinh sach)))) - canh tranh cua dung cong dan khan cap*.