Perhaps you should try some spelling variations:
xiulan zhang » xiliang zhang, xiao zhang, xuan thang
wang xiulan » wang xiuyan, wang xinyan, wang xuan
chen zheng » chen zhen, chen aizheng, cheng zhang
zhang ii » zhang i, zhang li, zhang si
wei cong » li cong, wei wang, wei yang
wei ming » wei yiming, wei qiang, ie ming
ii chen » yi chen, li chen, ii chetna

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 zhang ii chen zheng ((wei cong) or (wei ming)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiulan zhang ii chen zheng ((wei cong) OR (wei ming)) shu ;*.