Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

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