I started thinking about the usage of the Oxford comma and it seemed that Google's Ngram Viewer is the ideal tool for the job. Unfortunately, commas are a meta characters in the search language:
Why am I not seeing the results I expect?
Your phrase has a comma, plus sign, hyphen, asterisk, colon, or forward slash in it. Those have special ...
After some testing, the following works:
It appears you need to remove the direct_url parameter. Actually, your original link works. You just have to select the text box and press Enter. This might be a ...
Currently the total number of words is 468,491,999,592. (Approaching half a trillion)
You can obtain that figure by downloading the latest dataset.
In that dataset, the total_counts file(txt) lists the number of unigrams, pages, and books for each year.
Summing up the unigram counts yields the 468,491,999,592 figure.
Currently (Nov 2015), ...
Each line are for different capitalizations of the word searched, in this case
This happens when the case in-sensitive checkbox is checked.
When I was trying to reproduce the screenshot, I first searched "chummy" in American English corpus just because I'm used to do that. I noted that there was only two lines, so ...