Perhaps you should try some spelling variations:
"raja ra_ mohan roy" » "raja ram mohan roy", "raja raj mohan roy", "raja rama mohan roy", "raja ra_ mohon roy", "raja ra_ mohan r", "raja ra_ mohan rai", "raja ravi mohan roy", "raja _ mohan roy", "raja r mohan roy"
"raja rar mohan roy" » "raja rar mohon roy", "raja rar mohan r", "raja rar mohan rai", "raja ram mohan roy", "raja raj mohan roy", "raja hari mohan roy", "raja ravi mohan roy", "raja r mohan roy", "raja roy mohan roy"
"raja m mohan roy" » "raja m mohon roy", "raja m mohan r", "raja m mohan rai", "raja _ mohan roy", "raja r mohan roy", "raja k mohan roy", "raja j mohan roy"
"raja b mohan roy" » "raja b mohon roy", "raja b mohan r", "raja b mohan rai", "raja _ mohan roy", "raja r mohan roy", "raja b mocan roy", "rajal b mohan roy", "raja j mohan 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: (((("raja ra_ mohan roy") OR ("raja rar mohan roy"))) OR ((("raja m mohan roy") OR ("raja b mohan roy")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"raja ra_ mohan roy\") or (\"raja rar mohan roy\"))) or (((\"raja m mohan roy\") OR (\"raja b mohan roy\"))))".
• Removing quotes may allow a broader search: (((( raja ra_ mohan roy ) or ( raja rar mohan roy ))) or ((( raja m mohan roy ) OR ( raja b mohan roy )))).
• Adding a wildcard symbol may retrieve word variants: (((("raja ra_ mohan roy") or ("raja rar mohan roy"))) or ((("raja m mohan roy") OR ("raja b mohan roy"))))*.