Perhaps you should try some spelling variations:
colin griffiths » alan griffiths, owen griffiths, carlson griffiths
john griffiths » john griffith, john griffin, von griffith
bob griffiths » dot griffiths, tom griffiths, _ griffiths
col griffiths » dot griffiths, l griffiths, tom 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 (john griffiths))) OR (((bob griffiths) OR (col griffiths)))).
• Adding a wildcard symbol may retrieve word variants: ((((colin griffiths) or (john griffiths))) or (((bob griffiths) or (col griffiths))))*.