Search any keyword for Blog and Youtube
If you have a gmail account then use that account to create an account on https://ads.google.com/intl/en_pk/home/tools/keyword-planner/
This is the google ads keyword planner site but don’t worry it gives us free tool to check keywords ranking and search history.
After creating account you just need to click on tools and settings and then click on keyword planner.
Then click on discover new keyword and there you go. You can search any keyword with google keyword planner tool free.