In order to get the ball out of a buried hole is to to toe the club in to the sand.

So move the clubhead to the right by doing so you move the toe of the clubhead to the right so it will create a digging tool.

Then complete your backswing matching the distance that you want to propel the ball, and leave the in the sand, when I say this do not decelerate, just have an abrupt short follow through .