Perhaps you should try some spelling variations:
mam mohan » ram mohan, rama mohan, jai mohan
mohan roy » mohon roy, mohan r, mohan rai
kwon roy » kwon o, kwon go, kwon ho
raja m » raja _, raja j, raja r
m kwon » _ kwon, o kwon, c kwon

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 mohan roy ) OR ( raja m kwon roy )).
• Adding a wildcard symbol may retrieve word variants: (( raja mam mohan roy ) or ( raja m kwon roy ))*.