Perhaps you should try some spelling variations:
young john » kong john, wong john, young jean
cain china » can china, china china, spain china
china yun » china ying, china yang, china your
yun young » ju young
john wong » john song, john bonn
sin cain » sin fin, tin can
wong siu » wong shiu, kong siu, wong sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: (dong OR doing) sin cain china yun young john wong siu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(dong OR doing) sin cain china yun young john wong siu ;".
• Adding a wildcard symbol may retrieve word variants: (dong OR doing) sin cain china yun young john wong siu ;*.