Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
truong cong » trong cong, truong long, truong chung
truong dong » trong dong, truong dang, tuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
tuong cua » truong cua, huong cua, thong cua
van toan » van tuan, van tan, van thanh
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 (chiet tach)) - thanh tuong cua ((truong cong) OR (truong dong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - thanh tuong cua ((truong cong) OR (truong dong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chiet tach)) - thanh tuong cua ((truong cong) OR (truong dong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - thanh tuong cua ((truong cong) OR (truong dong)) van toan ban*.