Perhaps you should try some spelling variations:
wang xiuyan » wang xinyan, wang xuan
wang yuhan » wang luhang, wang yidan, fang yuan
chang ming » zhang ming, chan ming, chang min
ming shang » ming hung, anming zhang
han chang » huang chang, than change, can change
shang hai » shang kai, dang hai, chang ha
hua han » hua ban, hua chen, hua zhao

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: ((((wang yuhan) OR (wang xiuyan))) OR (wang yan)) wang hua han chang ming shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yuhan) or (wang xiuyan))) or (wang yan)) wang hua han chang ming shang hai ;*.