Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
daoping yang » dong yang
yang juan » yang jun, huang juan, jiang juan
juan rene » juan meng, juan rana
kang han » kang chen, kong hang, zhang han
hong ma » hong a, hong hai, wong max
tan » than

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 daoping yang juan rene kang han ((((kong sar) OR (hong w))) OR (((hong ma) OR (hong tan)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang daoping yang juan rene kang han ((((kong sar) or (hong w))) or (((hong ma) OR (hong tan)))) ;~".
• Adding a wildcard symbol may retrieve word variants: wang daoping yang juan rene kang han ((((kong sar) or (hong w))) or (((hong ma) OR (hong tan)))) ;*.