Perhaps you should try some spelling variations:
wang xiuyan » wang xinyan, wang xuan
cheng zhang » cheng han, zhen zhang, chen zheng
wang yuhan » wang luhang, wang yan, wang yidan
zhang bai » zhang dai, zhang fan, zhang wei
bai chong » lai chung, wai chung, hai phong
chong shu » cong shu, chong suk
zhang xi » zhang xin, zhang i, zhang ii
xi cheng » _ cheng, yi chen, li chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiuyan) or (wang yuhan)) zhang xi cheng zhang bai chong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiuyan) OR (wang yuhan)) zhang xi cheng zhang bai chong shu ;*.