Perhaps you should try some spelling variations:
di terrence » deal terrence
yang fang » yang yang, yang fan, yang guang
fang yuan » wang yuhan, wang yan, meng yuan
ying wong » ying yang
fan ying » fan xing, ran ying, tan ying
wong yue » wang yue, hong yu
dr rene » der rent
erence » terence

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 ((dr rene) OR (((di terrence) OR (di erence)))) fan ying wong yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang fang yuan ((dr rene) or (((di terrence) OR (di erence)))) fan ying wong yue ;~".
• Adding a wildcard symbol may retrieve word variants: yang fang yuan ((dr rene) or (((di terrence) OR (di erence)))) fan ying wong yue ;*.