Perhaps you should try some spelling variations:
edward clark » edward clarke, edward ward, edward clive
brian clark » brian black, brian larkin, burton clark
brown clark » brown mark
ewan clark » edwin clark, evan clarke
ian clark » iain clark, ann clark, cal clark
a clark » a clarke, _ clark, e clark
rugby » ruby, rigby

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: ((((((ian clark) OR (((brian clark) OR (brown clark))))) OR (a clark))) OR (((ewan clark) OR (edward clark)))) (rugby union).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((ian clark) or (((brian clark) OR (brown clark))))) or (a clark))) or (((ewan clark) or (edward clark)))) (rugby union)".
• Adding a wildcard symbol may retrieve word variants: ((((((ian clark) or (((brian clark) OR (brown clark))))) or (a clark))) or (((ewan clark) or (edward clark)))) (rugby union)*.