Perhaps you should try some spelling variations:
roger griffiths » roger griffin
alan griffiths » alana griffith, ian griffiths, brian griffiths
owen griffiths » green griffiths, de griffiths, e griffiths
dot griffiths » d griffiths, de griffiths, bob 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: ((((alan griffiths) OR (((owen griffiths) OR (roger griffiths))))) OR (dot griffiths)).
• Adding a wildcard symbol may retrieve word variants: ((((alan griffiths) or (((owen griffiths) or (roger griffiths))))) or (dot griffiths))*.