Perhaps you should try some spelling variations:
dong thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh toan » thanh hoa, thanh san, tinh toan
hieu manh » hieu nganh, dieu hanh, hien hanh
chua nang » chuc nang, chua xang, kha nang
cua bang » chua bang, cua ban, cua dang
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: hoc ((hieu manh) OR (chieu xanh)) - canh tranh ((cua bang) OR (chua nang)) dong thanh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (chieu xanh)) - canh tranh ((cua bang) or (chua nang)) dong thanh toan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (chieu xanh)) - canh tranh ((cua bang) or (chua nang)) dong thanh toan ban*.