Perhaps you should try some spelling variations:
dunning john » gunning jan
longo john » kong john
wong john » wrong john, kong john, young john
wang jin » wang jing, yang jin, wang jun
jin kang » jin chang, jin kyung, jing fang
kang lin » wang lin, yang lin, huang lin
wong sam » wong sau, wong lai, kong sar
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 jin kang lin als ((dunning john) OR (((wong john) OR (longo john)))) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: wang jin kang lin als ((dunning john) or (((wong john) or (longo john)))) wong sam ;*.