Perhaps you should try some spelling variations:
chen yang » chen rong
yang john » young john, king john, yang jin
wing yan » wang yan, wing ian, wing tan
yang yue » wang yue, yang yun, yang jui
wong sar » kong sar, wong sau, wong lai
wong sam » wong sau, wong lai, kong sar
yang yu » yang yun, yang yi, sang yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((yang yu) or (yang yue)) chen yang john ((wong sar) OR (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yang yu) OR (yang yue)) chen yang john ((wong sar) OR (wong sam)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((yang yu) or (yang yue)) chen yang john ((wong sar) OR (wong sam)) ;".
• Adding a wildcard symbol may retrieve word variants: wing yan ((yang yu) or (yang yue)) chen yang john ((wong sar) OR (wong sam)) ;*.