Perhaps you should try some spelling variations:
"raja mam mohon roy" » "raja ram mohan roy", "raja mam cohen roy", "raja mam mon roy", "raja m mohon roy"
"raja o kwon roy" » "raja o kwon o", "raja o kwon go", "raja o kwon oh", "raja _ kwon roy", "raja j kwon roy", "raja m kwon roy"
"raja o kwon ho" » "raja o kwon o", "raja o koon ho", "raja o kwon go", "raja _ kwon ho", "raja j kwon ho", "raja m kwon ho"

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 mam mohon roy") OR ((("raja o kwon roy") OR ("raja o kwon ho"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"raja mam mohon roy\") or (((\"raja o kwon roy\") OR (\"raja o kwon ho\"))))*".
• Removing quotes may allow a broader search: (( raja mam mohon roy ) or ((( raja o kwon roy ) OR ( raja o kwon ho ))))*.