Perhaps you should try some spelling variations:
done mein » bonn mein
mein dank » ein dank, sein dann
chen ping » chen rong, chen yang, chen wang
yang yue » wang yue, yang yun, yang yi
yang jui » yang judy, yang yi
dank xi » dank i, dank vii
xi chen » xi cheng, yi chen, li chen
ping ji » ping jia, jing ji, ping yi
yang xi » yang yi

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: done mein dank xi chen ping ji ((yang yue) OR (((((yang jui) OR (yang di))) OR (yang xi)))) ;~.
• Adding a wildcard symbol may retrieve word variants: done mein dank xi chen ping ji ((yang yue) or (((((yang jui) or (yang di))) or (yang xi)))) ;*.