Perhaps you should try some spelling variations:
dunning john » gunning jan
longo john » kong john
wang hong » wang yong, wang hyoung, wang lihong
hong wang » hong gang, hong kong, hong jong
wong john » wrong john, kong john, young john
wang lin » wang li, wang qin, yang lin
wong siu » wong shiu, kong siu, wong sau
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 hong wang lin als ((dunning john) OR (((wong john) OR (longo john)))) wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: wang hong wang lin als ((dunning john) or (((wong john) or (longo john)))) wong siu ;*.