Results you retrieve from Google searches are found on the surface web where information is not evaluated. Results from library databases are found on the deep web where information is evaluated. With Google searches you're finding only the tip of the iceberg.
Library databases help you find information that has been vetted and checked for accuracy. Also, library databases help you find articles that you can't find via Google.
Use Library Tools to find information on your topic
To find books and articles, use:
To find articles in scholarly journals, magazines, and newspapers try:
Databases by Subject - need something more specialized? Try this link!