Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tran » thanh trang, thanh toan, thanh tra
cong ngang » cong nhan, cong quang, cong lang
hieu lang » hieu quang, nhieu tang, hieu van
tran tuan » tran xuan, tran quang, tran thanh
tuan dung » tuan duong, tran dung, tan dung
cong vang » cong lang, cong quang, cong san
tuan cap » than cap, thuan cam, toan cao

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 tran tuan dung ((cong vang) or (cong ngang)) tuan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh tran tuan dung ((cong vang) OR (cong ngang)) tuan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - thanh tran tuan dung ((cong vang) or (cong ngang)) tuan cap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - thanh tran tuan dung ((cong vang) or (cong ngang)) tuan cap*.