Perhaps you should try some spelling variations:
di terrence » di erence, deal terrence
zhang fang » zhang fan, zhang zhang, zhang yan
fang yuan » wang yuhan, wang yan, meng yuan
dong bin » dong sin, dann bin
di rene » di rete, dr rene, i rene
dong di » dong sin
tan li » tang li, tian li, gan li

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: zhang fang yuan ((di rene) OR (di terrence)) tan li ((dong bin) OR (dong di)) ;~.
• Adding a wildcard symbol may retrieve word variants: zhang fang yuan ((di rene) or (di terrence)) tan li ((dong bin) or (dong di)) ;*.