If you want the word "private" to appear in the URL instead of the page title:
inurl:private intitle:"index of" top
Before you copy-paste this into Google, a critical distinction must be made: The search itself is legal. What you do with the results may not be. intitle index of private top
A small fintech startup accidentally exposed their entire Git repository via an open directory. The path? intitle index of private top_secret_repo. Within the files was a .env file containing live API keys and database credentials. The leak was discovered by a white-hat hacker who reported it before any data was stolen. If you want the word "private" to appear