Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
khong cong » thong cong, khong cang, chong cong
hieu lang » hieu quang, nhieu tang, hieu van
trung hua » trung ha, trung hoa, trung cua
hua khong » hoa khong, cua khong, hoac khong
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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)) - thanh trung hua khong cong ((dan than) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh trung hua khong cong ((dan than) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - thanh trung hua khong cong ((dan than) or (dan chan)) cau*.