Perhaps you should try some spelling variations:
dennis sarah » ennis sarah, dennis alan, dennis adam
john dennis » john denne, john cennick
fell smith » nell smith, kelly smith, bill smith
john fell » john fl, john fellows

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 dennis sarah ) OR ( john fell smith )).
• Adding a wildcard symbol may retrieve word variants: (( john dennis sarah ) or ( john fell smith ))*.