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
yan guan » gan guan, yan yuan, yang guang
guan hua » tuan hua, gui hua, tan hua
hua ren » hua chen
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 guan hua ren ((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 guan hua ren ((wrong john) OR (kong john)) ((von sam) or (kong sara)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan guan hua ren ((wrong john) OR (kong john)) ((von sam) or (kong sara)) ;*.