Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
zhang john » change john, zhang jian, zhang joe
wang yang » wang yan, wang liang, wang yanling
wang hong » wang yong, wang hyoung, wang lihong
john song » john wong, john bonn, john ngosong
song sar » kong sar, using sar, song pae

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) or (wang yang))) or (wang hong)) yang di (rest or west) zhang john song sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang daoping) OR (wang yang))) OR (wang hong)) yang di (rest OR west) zhang john song sar ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang daoping) or (wang yang))) or (wang hong)) yang di (rest or west) zhang john song sar ;*.