Perhaps you should try some spelling variations:
wang xiulan » wang xiuyan, wang xuan, wang xiaolin
wang xinyan » wang xiuyan, wang bingnan
cheng zhen » chen zhen, cheng zhang, chen zhe
zhang ii » zhang i, zhang li, zhang yi
zhang si » zhang i, zhang li, zhang yi
wei cong » li cong, wei ming, wei wang

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 xiulan) OR (wang xinyan)) ((zhang ii) OR (zhang si)) cheng zhen wei cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiulan) OR (wang xinyan)) ((zhang ii) or (zhang si)) cheng zhen wei cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiulan) OR (wang xinyan)) ((zhang ii) or (zhang si)) cheng zhen wei cong shu ;*.