Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
thong lanh » thong danh, tuong lanh, thong thanh
hieu lang » hieu quang, nhieu tang, hieu van
lanh toan » manh toan, anh toan, thanh toan
trung ca » trung cap, truong ca, trung cua
ca thong » ca thuong, va thong, ca trong
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh trung ca thong thong lanh toan ban~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - thanh trung ca thong thong lanh toan ban*.