Perhaps you should try some spelling variations:
wang xiulan » wang xiuyan, wang xinyan, wang xiaolin
cheng zhan » cheng zhang, cheng han, chen zhen
wang xuan » wang xiuyan, wang xueman, wang yuhan
zhang yu » zhang y, zhang ya, zhang yi
yu cheng » yu chen, _ cheng
zhan wei » zhang wei, zhen wei, han wei
wei cong » li cong, wei ming, wei wang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiulan) or (wang xuan)) zhang yu cheng zhan wei cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiulan) OR (wang xuan)) zhang yu cheng zhan wei cong shu ;*.