Perhaps you should try some spelling variations:
colin griffiths » col griffiths, owen griffiths, carlson griffiths
alan griffiths » alana griffith, ian griffiths, brian griffiths
john griffiths » john griffith, john griffin, von griffith
d griffiths » _ 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: ((((((colin griffiths) OR (alan griffiths))) OR (john griffiths))) OR (d griffiths)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((colin griffiths) OR (alan griffiths))) or (john griffiths))) or (d griffiths))".
• Adding a wildcard symbol may retrieve word variants: ((((((colin griffiths) OR (alan griffiths))) or (john griffiths))) or (d griffiths))*.