Google Scholar works similarly to regular Google. You can search for keywords or just type a question.
For example, if you wanted to search for articles about whether social media use contributes to depression among teens, you could try either of the following strategies:
Google Scholar weighs several factors to rank results, including:
Additionally, Google Scholar uses natural language processing to interpret the meaning of your words in context and look for synonyms and similar concepts. This means you don't always have to think of other ways researchers might describe the ideas you're looking for (like using the word "adolescents" in addition to "teens").
However, this also means you may get results that aren't exactly about the concept you're looking for, so you still need to evaluate the results you get to see if they're relevant.
Google Scholar offers some options for filtering results on the left side of the screen, including:
You can also set up an email alert to be notified when new articles that relate to your search are published.