Perhaps you should try some spelling variations:
chandler cohen » chandler john, handler when, handler code
samuel harris » samuel charles, samuel hartlib, samuel hayes
samuel martin » samuel garth, samuel march
harris cohen » morris cohen, harris when, harris corner
martin cohen » martin corben, marion cohen, martin cheng

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: (((( samuel harris cohen ) OR ( samuel martin cohen ))) OR ( samuel chandler cohen )).
• Adding a wildcard symbol may retrieve word variants: (((( samuel harris cohen ) or ( samuel martin cohen ))) or ( samuel chandler cohen ))*.