The Extract People also search phrases in Google program will help you gather "People also search" results from Google. You will not need to register to use this extension. Simply download it and install it! You will now be able to find related keywords and queries for every Google search.

Once installed, you may type your keyword or question into the Google search bar. Then, you will be able to gather all the related keywords from that search, no matter how far down the page you are.