Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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)) - cach mang cua nhung cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - cach mang cua nhung cong dan ((phan cau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - cach mang cua nhung cong dan ((phan cau) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - cach mang cua nhung cong dan ((phan cau) or (phan cac))*.