Perhaps you should try some spelling variations:
wang xiulan » wang xiuyan, wang xuan, wang xiaolin
wang xinyan » wang xiuyan, wang bingnan
chen zheng » chen aizheng, cheng zhang, chen zhe
chen zhen » chen zhe
lei qiang » wei qiang, li qiang, li xiang
qiang shu » qian hu, qiang niu
zhang yi » zhang yin, zhang i, zhang ii

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 yi ((chen zheng) OR (chen zhen)) lei qiang shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiulan) or (wang xinyan)) zhang yi ((chen zheng) OR (chen zhen)) lei qiang shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiulan) or (wang xinyan)) zhang yi ((chen zheng) OR (chen zhen)) lei qiang shu ;*.