Perhaps you should try some spelling variations:
"john jennings sven" » "john dennis sven", "john dunning sven", "john jennings ken", "john jennings len", "john pennings steven"
"john hanning sven" » "john dunning sven", "john harding sven", "john hawkins sven"
"john duncan sven" » "john dunton sven", "john dunning sven", "john duncan sen", "john duncan ben", "john duncan over"

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: (((("john hanning sven") OR ("john duncan sven"))) OR ("john jennings sven")).
• Removing quotes may allow a broader search: (((( john hanning sven ) or ( john duncan sven ))) or ( john jennings sven )).
• Adding a wildcard symbol may retrieve word variants: (((("john hanning sven") or ("john duncan sven"))) or ("john jennings sven"))*.