Perhaps you should try some spelling variations:
di terrence » di erence, deal terrence
yang fang » yang yang, yang fan, yang guang
fang yuan » wang yuhan, wang yan, meng yuan
der rede » der redner, der re
tian yi » tian yu, tan yi, tian li
qian yi » qian yan
rong yu » hong yu, rong su, wong yue

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: yang fang yuan ((der rede) OR (di terrence)) ((tian yi) OR (qian yi)) rong yu ;~.
• Adding a wildcard symbol may retrieve word variants: yang fang yuan ((der rede) or (di terrence)) ((tian yi) or (qian yi)) rong yu ;*.