Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
trong nuoc » trong cuoc
hieu lang » hieu quang, nhieu tang, hieu van
nuoc vung » quoc vuong, nuoc nhung, nuoc quang
vung cong » dung cong, vung dong, vung song
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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