Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
chen chan » chen chuan, cheung chan, chen chung
chan ming » kian ming, chan eng, chan fong
ming hong » min hong, ming hung, ming kong
wang yi » yang yi, tang yi, wang di
yi chen » jui chen
hong g » hong ng, hong w, hong 7

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yuhan) or (wang yan)) wang yi chen chan ming hong g ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (wang yan)) wang yi chen chan ming hong g ;*.