The phrase "scoured the internet" is correct and usable in written English. You can use it when you are referring to searching for something online, usually in an extensive and meticulous way. For example: "I scoured the internet in search of the answer to my question, but I couldn't find it anywhere.".
Mr. Menuez scoured the Internet for listings.
He also scoured the internet for footage of Lennon.
That night he scoured the Internet for table tennis videos.
Worried, his mother scoured the Internet for information.
I scoured the Internet for more information, more images.
We'd scoured the internet and read books to get as much information as possible.
They scoured the Internet for construction equipment and researched procedures that would fit their purpose.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia