Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
gang zhou » fang zhou
kim song » kim young, kim eung
tan yang » dan yang, tan ying, tan yong
li cong » li rong, li song, jiu cong
gang hu » wang hua, wang hui, gang zum

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 ((gang hu) OR (gang zhou)) ((yang yang) OR (tan yang)) ((li cong) OR (kim song)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((gang hu) OR (gang zhou)) ((yang yang) or (tan yang)) ((li cong) or (kim song)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang ((gang hu) OR (gang zhou)) ((yang yang) or (tan yang)) ((li cong) or (kim song)) hai ;*.