Perhaps you should try some spelling variations:
dunning john » gunning jan
huang ting » huang jing, huang ying, huang bin
longo john » kong john, wong john
wang jing » wang ning, wang liang, wang yang
wong sam » wong sau, wong lai, kong sar
yang li » yang lin, yang di, yang xi
li als » ki 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: ((huang ting) OR (wang jing)) yang li als ((dunning john) OR (longo john)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: ((huang ting) or (wang jing)) yang li als ((dunning john) or (longo john)) wong sam ;*.