Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
ban tong » ban trong, ban tuong, ban thong
dan toan » van toan, dan than, manh toan
thao va » thao van, tao va, thai va
va tinh » may tinh

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "thao va tinh - hanh tranh cua ban tong ((dan toan) OR (thanh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: thao va tinh - hanh tranh cua ban tong ((dan toan) OR (thanh toan)) cau*.