How do I find out what search terms are popular?

Google Autocomplete is a great tool for finding the best variations of your main keyword phrase. Just type in the Google search box, and related terms will display in a drop-down list. You can then manually select the long-tail keyword phrase you want to use or pick a combination of phrases.

For More Information Please Refer: https://www.searchenginejournal.com/seo-101/what-people-search-for/