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
wong shiu » cong shu, song shin, wong sau
wong siu » kong siu, wong sau, wong siew
yang xi » yang di, yang yi, yang jui
xi als » ki als, taxi als

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: huang jing yang xi als ((dunning john) or (wong john)) ((wong siu) OR (wong shiu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: huang jing yang xi als ((dunning john) OR (wong john)) ((wong siu) OR (wong shiu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "huang jing yang xi als ((dunning john) or (wong john)) ((wong siu) OR (wong shiu)) ;*".