Perhaps you should try some spelling variations:
dunning john » gunning jan
longo john » kong john
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
wong john » wrong john, kong john, young john
yang lin » yang jin, wang lin, yang li
wong sau » wong sam, wong siu, wong shiu
lin als » sein als

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 ying yang lin als ((dunning john) OR (((wong john) OR (longo john)))) wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang ying yang lin als ((dunning john) or (((wong john) or (longo john)))) wong sau ;*.