This form lets you search posts, threads and solved answers. You can search by titles, names or by any query. To narrow your search down even further you can try using quotes for strict search, like so: "example query". To search specific content type use type:video|image|gif. For site specific searches use the site:example.com attribute. And last but not least, if you want to search by status then status:solved|unsolved|featured|thread|deleted. For image reverse search, go here.