How to rip a copy protected DVD? Tried all methods, but unable to!

Hi guys. I recently bought a DVD. And I tried all the softwares. Like Handbrake, Dvdfab, Dvdshrink, Make Mkv, Winx.... Most of em. But none worked! :( I just want to rip it badly and store it in my tablwt and watch it. Are there any other softwares that I ain't aware of? :| Pls help me!!