I google R stuff all the time and it is a pain in the ass. Google has gotten a lot better recently (or I've been lucky).
Adding "lang" to the end helps. It's a trend for non-single-letter languages (hacklang, golang, etc) but seems to work for R & C too.
"An idealist is one who, on noticing that a rose smells better than a cabbage, concludes that it will also make better soup." - H.L. Mencken