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