Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
frisian john » frisian town, friedman john, brian john
der frisian » des frisian, west frisian
john wong » john song, john bonn
wong star » lone star, wong sam, wong sau
yang jie » yang jin, yang xi, yang yi
yang jui » yang judy, yang xi, yang yi

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 jie) OR (yang jui))) OR (yang di)) der frisian john wong star ;~.
• Adding a wildcard symbol may retrieve word variants: wang daoping ((((yang jie) or (yang jui))) or (yang di)) der frisian john wong star ;*.