They don't seem to do anything. Searching without the brackets seems to give the same results for me. https://www.google.com/search?q=inurl%3Abcode%3D*%2Bn_m%3

They don't seem to do anything. Searching without the brackets seems to give the same results for me. https://www.google.com/search?q=inurl%3Abcode%3D*%2Bn_m%3D*+site%3Afacebook.com https://www.google.com/search?q=inurl%3Abcode%3D*%2Bn_m%3D*+...