Perhaps you should try some spelling variations:
wrong john » wong john, strong john, bowring john
kong john » king john, wong john, longo john
kong sara » kong sar
hua oven » hua chen, hua ren, ua over
yan gui » yan guan, zhan gui
gui hua » gui guan
von sam » von sa, von sap, von scham
wang » wing, wan, lang

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 yan gui hua oven ((wrong john) OR (kong john)) ((von sam) OR (kong sara)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan gui hua oven ((wrong john) OR (kong john)) ((von sam) or (kong sara)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan gui hua oven ((wrong john) OR (kong john)) ((von sam) or (kong sara)) ;*.