Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong danh » cuong danh, cong thanh, cong khanh
cong dan » cong san, cong tan, huong dan
thanh ha » thanh hoa, thanh hai, nhanh ha

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

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