Perhaps you should try some spelling variations:
cheng zhang » zhen zhang, chen zheng, china zhang
zhang ming » zhang xin
cheng han » chen hao
dan phan » van phan, dan pelan, dan pad
dan han » man han, dan dana, dan yang
man can » man han, woman can, man kann
wang » wing, wan, lang

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 yan ((((dan han) OR (dan phan))) OR (man can)) ((cheng zhang) OR (cheng han)) zhang ming lu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((((dan han) or (dan phan))) or (man can)) ((cheng zhang) OR (cheng han)) zhang ming lu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((((dan han) or (dan phan))) or (man can)) ((cheng zhang) OR (cheng han)) zhang ming lu ;*.