I've heard a lot about voronoi shatter or fracture node on odforce. But my Houdini (10.1.595) does not have one. It definitely has a shatter SOP node and a voronoi noise VEX node. Can anyone direct me to how to obtain and use this node to its maximum. would be very thankful.

I think you're looking for this:

http://forums.odforce.net/index.php?/topic/9119-voronoi-dynamic-location-based-fracture-wip/ [forums.odforce.net]

Or get it off the Exchange:

http://www.sidefx.com/exchange/info.php?fileid=660&versionid=660 [sidefx.com]