Perhaps you should try some spelling variations:
"graph bradley john ray" » "roth bradley john ray", "irish bradley john ray", "gale bradley john ray", "graph brindley john ray", "graph bayley john ray", "graph bailey john ray", "graph bradley john r"
"raja r von roy" » "raja r von rom", "raja r von rob", "raja r von roh", "raja _ von roy", "raja j von roy", "raja m von roy", "raja 2 von roy", "raja 3 von roy"
"raja 1 von roy" » "raja 1 von rom", "raja 1 von rob", "raja 1 von roh", "raja _ von roy", "raja j von roy", "raja m von roy", "raja 2 von roy"

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: (("graph bradley john ray") OR ((("raja r von roy") OR ("raja 1 von roy")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"graph bradley john ray\") or (((\"raja r von roy\") OR (\"raja 1 von roy\"))))".
• Removing quotes may allow a broader search: (( graph bradley john ray ) or ((( raja r von roy ) OR ( raja 1 von roy )))).
• Adding a wildcard symbol may retrieve word variants: (("graph bradley john ray") or ((("raja r von roy") OR ("raja 1 von roy"))))*.