Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
yang juan » huang juan, jiang juan, yang guang
zhang han » zhang fan, zhang yan, zhang hanmo
yang jun » yang jui, pang jun, yang jin
hong ma » hong tan, hong hai, wong max
hong a » hong w, kong a, hong g
hong 7 » hong w, hong g

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang daoping ((yang juan) OR (yang jun)) rene zhang han ((((hong a) or (hong 7))) or (hong ma)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang daoping ((yang juan) OR (yang jun)) rene zhang han ((((hong a) OR (hong 7))) OR (hong ma)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang daoping ((yang juan) OR (yang jun)) rene zhang han ((((hong a) or (hong 7))) or (hong ma)) ;*".