Perhaps you should try some spelling variations:
yang yuen » yang yun, wang yue, yang jun
chen yang » chen rong
yang john » young john, king john, yang jin
john song » john wong, john bonn, john ngosong
yang yue » wang yue, yang yun, yang jui
song sar » kong sar, using sar, song pae
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 yue) or (yang yuen)) chen yang john song sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang yue) OR (yang yuen)) chen yang john song sar ;*.