Perhaps you should try some spelling variations:
tuong cong » truong cong, trong cong, tong cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
toc trien » buoc trien, moc tren, hoc tren
canh tran » hanh trang, banh trang, lanh tranh
van tuong » van truong, van thuong, van duong
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: ((toc trien) or (toc thieu)) quang - ((canh tran) OR (canh tranh)) van tuong cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc trien) OR (toc thieu)) quang - ((canh tran) OR (canh tranh)) van tuong cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc trien) or (toc thieu)) quang - ((canh tran) OR (canh tranh)) van tuong cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((toc trien) or (toc thieu)) quang - ((canh tran) OR (canh tranh)) van tuong cong thanh toan ban*.