Perhaps you should try some spelling variations:
"john william cannicott" » "john william candidate", "john william marriott", "john william tapscott"
"john wallis callcott" » "john wall callcott", "john wellins calcott", "john willison callcott", "john williams callcott"

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: "((\"john wallis callcott\") OR (\"john william cannicott\"))".
• Removing quotes may allow a broader search: (( john wallis callcott ) OR ( john william cannicott )).
• Adding a wildcard symbol may retrieve word variants: (("john wallis callcott") OR ("john william cannicott"))*.