Perhaps you should try some spelling variations:
dunning john » gunning jan
huang jing » huang ting, huang ying, wang jing
jing yang » jing fang, ying yang, wang yang
wong john » wrong john, kong john, longo john
yang jui » yang judy, yang di, yang xi
wong siu » wong shiu, kong siu, wong sau
als » also

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 jing yang jui als ((dunning john) OR (wong john)) wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: huang jing yang jui als ((dunning john) or (wong john)) wong siu ;*.