Perhaps you should try some spelling variations:
di terence » di erence, liu terence, _ terence
lang yan » wang yan, wang yang, zhang yan
yan yuan » yan guan, fang yuan, nan yan
dr rene » der rent
tian li » tan li, kian lia
li rong » yi rong, li cong, li song
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: lang yan yuan ((dr rene) OR (di terence)) tian li rong yu ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan yuan ((dr rene) or (di terence)) tian li rong yu ;*.