Its results don't always make sense, but that's why it gives you five options. Feel free to select whichever one suits you best and discard the rest. Any 'real' titles generated are entirely coincidental. I'm pretty sure that any fictional places or characters invoked are within the public domain, but you might want to double check on that before using it.
Like it? Think it's fun? Great! You can help fund its development or just show your gratitude by donating to my Patreon. The more support I get, the more time and energy I can devote to fun little side projects like this.