How can this copied article be unique to google?

Hi guys i just bought an article on fiverr. The first thing i did was to copy and paste a piece of the text into google, no results. So I ran the article through a plagiarism checker, it said all unique.
But then i manually typed some words into google, and omg i found the exact same article that i just bought on fiverr.
How is this possible?

Link to article?

You were scammed
https://www.blackhatworld.com/seo/scam-alert-beware-copied-content-in-non-english-alphabet.964944/
https://www.blackhatworld.com/seo/method-get-unlimited-high-quality-unique-content-for-free.764420/
https://www.google.com/search?q=sit...ttps://www.google.com/search?q=utf+8+encoding