Perhaps you should try some spelling variations:
den thanh » de thanh, dinh thanh, dong thanh
canh tinh » hanh tinh, manh tinh, canh tranh
doan den » doan dien, dan den, don den
he nhung » hee nhung, me nhung, hien nhung
ve nhung » va nhung, tu nhung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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: doan den thanh - canh tinh ((he nhung) OR (ve nhung)) cong ((dan toan) OR (dan than)) cau~.
• Adding a wildcard symbol may retrieve word variants: doan den thanh - canh tinh ((he nhung) or (ve nhung)) cong ((dan toan) or (dan than)) cau*.