Perhaps you should try some spelling variations:
dunning sarah » planning sarah, duncan sarah, dunnett sarah
john dunning » john jennings, john dunton, john dennis
hinton smith » fenton smith, hanson smith, huston smith
john hinton » john hilton, john swinton, john dunton

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