Perhaps you should try some spelling variations:
mohan roy » mohan r, mohan rai, roman roy
mohon roy » cohen roy, mon roy
raja ram » raja ravi, raja m, raja roy
raja j » raja _, raja m
raja r » raja _, raja m

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 ram) OR (((raja j) OR (raja r)))) ((mohan roy) OR (mohon roy)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((raja ram) or (((raja j) or (raja r)))) ((mohan roy) OR (mohon roy))".
• Adding a wildcard symbol may retrieve word variants: ((raja ram) or (((raja j) or (raja r)))) ((mohan roy) OR (mohon roy))*.