Perhaps you should try some spelling variations:
wang xiuyan » wang xinyan, wang xuan
chen zheng » chen zhen, chen aizheng, cheng zhang
zheng minh » zhang ming, cheng ming
fang yuan » wang yuhan, wang yan, meng yuan
wang pui » wang hui, wang hua, wang zhi
pui chen » jui chen, pui shen, yi chen
cong ghi » hong ghi, cong shu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiuyan) or (fang yuan)) wang pui chen zheng minh cong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiuyan) OR (fang yuan)) wang pui chen zheng minh cong ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((wang xiuyan) or (fang yuan)) wang pui chen zheng minh cong ghi ;*.