Should I be using Google or the library resources?
Unfortunately, it’s not simply a matter of choosing one or the other. Internet search engines like Google can search billions of public web pages for your keywords in seconds, but they cannot access proprietary data.

Google vs PsycINFO
Why do you have to use an academic database, like Scopus or PsycINFO? Is Google Scholar, a simple way to broadly search for scholarly literature, not enough? To let you experience the differences between Google Scholar and academic database, an example.

Related.