Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
chen yang » chen rong
john wong » john song, john bonn
wong sar » kong sar, wong sam, wong sau
yang yu » yang yue, yang yun, sang yu
yang yi » yang di, yang xi, yang jui
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((yang yu) or (yang yi)) chen yang john wong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang yu) OR (yang yi)) chen yang john wong sar ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ((yang yu) or (yang yi)) chen yang john wong sar ;*.