Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yan wang » yuan wang, qian wang, yan liang
tuan hua » tan hua, tuan vu, yuan hui
wei yong » wei yang, mei yung, pei yang
kim tong » kim song, kim dong, kim jong
tong hui » wang hui

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 yang) OR (yan wang))) OR (yang yang)) ((ya hua) OR (tuan hua)) wei yong kim tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (yan wang))) or (yang yang)) ((ya hua) or (tuan hua)) wei yong kim tong hui ;*.