Perhaps you should try some spelling variations:
gunning jan » dunning john
huang jing » huang ting, huang ying, wang jing
jing yang » jing fang, ying yang, wang yang
wong john » wrong john, kong john, longo john
wong sam » wong sau, kong sar, von sam
di als » die als, ki als, drig als
lai » laid

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 di als ((gunning jan) OR (wong john)) ((wong sam) OR (wong lai)) ;~.
• Adding a wildcard symbol may retrieve word variants: huang jing yang di als ((gunning jan) or (wong john)) ((wong sam) or (wong lai)) ;*.