Perhaps you should try some spelling variations:
yuan zhang » yan zhang, yuan chang, xuan thang
fang yuan » wang yuhan, wang yan, meng yuan
zhang das » zhang dai, anhang das, zugang das
das reine » das eine, das reale, das reich
yang jie » yang jin, yang yi, yang jun
yang jui » yang judy, yang 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: fang yuan zhang das reine ((((((yang jie) OR (yang jui))) OR (yang xi))) OR (yang di)) cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: fang yuan zhang das reine ((((((yang jie) or (yang jui))) or (yang xi))) or (yang di)) cong shu ;*.