Perhaps you should try some spelling variations:
wang xiulan » wang xiuyan, wang xinyan, wang xuan
chen zheng » chen zhen, chen aizheng, cheng zhang
zheng wei » zhen wei, zhang wei, zheng lei
zhang yi » zhang yin, zhang i, zhang li
zhang ii » zhang i, zhang li, zhang si
wei qian » wei qiang, ji qian, wei bin
qian hu » qian jun

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 ((zhang yi) OR (zhang ii)) chen zheng wei qian hu ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiulan ((zhang yi) or (zhang ii)) chen zheng wei qian hu ;*.