Perhaps you should try some spelling variations:
dunning smith » turning smith, dennis smith, using smith
brunton smith » preston smith, sutton smith
john dunning » john jennings, john dunton, john dennis
john brunton » john burton, john dunton, john buxton

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