Google results are different for everyone by design. Results vary per person because of assumptions made about what you’d like to see. I believe the term is filter bubbles.

Idk if anything has changed since but a high school teacher showed us this in a computer lab. She gave us an exact phrase to type in and we all compared search results. They were similar enough to be useful but had significant differences in what the first page showed. And we weren’t even signed in to our school accounts, when we did it was even worse.