Perhaps you should try some spelling variations:
"rivers david, warwickshire" » "rogers david, warwickshire", "powers david, warwickshire", "myers david, warwickshire"
"river davon, warwickshire" » "river avon, warwickshire", "rivers avon, warwickshire", "keiner davon, warwickshire"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"river davon, warwickshire\") OR (\"rivers david, warwickshire\"))".
• Removing quotes may allow a broader search: (( river davon, warwickshire ) OR ( rivers david, warwickshire )).
• Adding a wildcard symbol may retrieve word variants: (("river davon, warwickshire") OR ("rivers david, warwickshire"))*.