So, below we have made simple easy steps that you will need to turn on your Graph Search and how to use it.
Step 1: Logging to your Facebook, and change your language or you can even do it in the login page. Select English (US) as your language. (This is important because Facebook is only allowing people who are using English (US)). For selecting language from logged in profile, scroll down the page and find copyright notice of Facebook and select click on the language just like below.
If you still didn't find out what to write on the search box for best results well then we have listed most of the phrases that might help you click the below article.
Phrases for Facebook Graph Search