Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
hat yuan » hat man, yan yuan
yang tin » yang jin, yang lin, yang jing
chong yi » chong yah, chong yun, hong yu
gong min » jong min, gong meng, song ming
song min » song ming, jong min, song jin

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 OR wan) man hat yuan wang yang tin ((chong yi) OR (((gong min) OR (song min)))) ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) man hat yuan wang yang tin ((chong yi) or (((gong min) or (song min)))) ;*.