Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang yang » wang yan, wang liang, wang yanling
hua irene » hua ren
irene yan » irene a, ren yan
jiu hong » jiu cong, kia hong, tin hong
hong hai » shang hai, zhong tai, dang hai
yan jiu » yang jie, yang jin, pang jiu

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: yuan ((wang yuhan) OR (wang yang)) hua irene yan jiu hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: yuan ((wang yuhan) or (wang yang)) hua irene yan jiu hong hai ;*.