Perhaps you should try some spelling variations:
"hugh griffiths, mrs griffiths" » "hughes griffith, mrs griffiths", "nach griffiths, mrs griffiths", "hannah griffiths, mrs griffiths", "hugh griffiths, mrs griffith", "hugh griffiths, mary griffiths", "hugh griffiths, _ griffiths"
"g griffiths, mark griffiths" » "g griffiths, mary griffiths", "g griffiths, a griffiths", "_ griffiths, mark griffiths", "d griffiths, mark griffiths", "a griffiths, mark griffiths"

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: (("hugh griffiths, mrs griffiths") OR ("g griffiths, mark griffiths")).
• Removing quotes may allow a broader search: (( hugh griffiths, mrs griffiths ) or ( g griffiths, mark griffiths )).
• Adding a wildcard symbol may retrieve word variants: (("hugh griffiths, mrs griffiths") or ("g griffiths, mark griffiths"))*.