A browser extension that automatically check every minutes if a URL in history contains a specified keywords and then delete itHistory Janitor is a good way to manage what's showing up in your address bar.
Let's say you're starting to type "you" or "red" and some unwanted URLs are showing up... Well, with this extension, you can prevent that by adding the keyword to the blacklist.
It will automatically search (every minutes) and delete the URLs that contains any keywords in the blacklist.