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If that's what it's doing, how is it giving me colors for nonsense words?

I wonder if it's just automatically accepting the spelling suggestion Google provides for searches?

It's probably using Google custom search. I think that's the only way you can actually get Google search results as an API.

Perhaps custom search displays differing results?

You can scrape google.com with a lot of awkward ban evading.

The fact that it works for non existing search results shows that it's ML