Perhaps you should try some spelling variations:
"raja ram cmos cmos" » "raja ram mos cmos", "raja ram cmol cmos", "raja ram pmos cmos", "raja ravi cmos cmos", "raja m cmos cmos", "raja r cmos cmos", "raja from cmos cmos", "raja μm cmos cmos"
"raja a cmos roy" » "raja a cmos from", "raja a cmos co", "raja a cmos ram", "rajan a cmos roy", "rajah a cmos roy", "raja _ cmos roy"
"raja nm cmos rf" » "raja m cmos rf", "raja n cmos rf"

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 a cmos roy") OR ("raja ram cmos cmos"))) OR ("raja nm cmos rf")).
• Removing quotes may allow a broader search: (((( raja a cmos roy ) or ( raja ram cmos cmos ))) or ( raja nm cmos rf )).
• Adding a wildcard symbol may retrieve word variants: (((("raja a cmos roy") or ("raja ram cmos cmos"))) or ("raja nm cmos rf"))*.