Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
manh hung » anh huong
hung cua » huong cua, chung cua, khung cua
cua dang » cua cong, cua ban
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (hieu lang)) - manh hung cua dang ((cong dan) OR (cong tan)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - manh hung cua dang ((cong dan) OR (cong tan)) chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (hieu lang)) - manh hung cua dang ((cong dan) OR (cong tan)) chan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - manh hung cua dang ((cong dan) OR (cong tan)) chan cau*.