Perhaps you should try some spelling variations:
wang frei » wang fei, wang wei, wang lei
shang kai » shang hai
yan wang » yuan wang, yang yang, qian wang
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
nan yan » nan ya, wang yan, qian yan
yang yi » yang di, yang xi

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: nan yan wang frei chen ((((((pang jun) OR (yang jie))) OR (yang jui))) OR (yang yi)) shang kai ;~.
• Adding a wildcard symbol may retrieve word variants: nan yan wang frei chen ((((((pang jun) or (yang jie))) or (yang jui))) or (yang yi)) shang kai ;*.