Referral hunt before lodge complaint

I phoned Vodacom customer care again for the same problem which they did not fix or respond poor internet connection I lodge another complain reference S3-8BW36-6DGN6 the consultant Dineo (great service) told me before I can lodge a complain I need three referrals with the same problem NO WHERE IN MY CONTRACT STATE THAT I HAVE TO CANVASS FOR VODACOM this bring me to the conclusion I have complain about this with Vodacom from last year about service that remain on edge and 3G that remain hanging the bar hang on one for about 10 to 20min go over to two bars for 30min and back on one( hanging) and no one seems to respond Vodacom customer services are pathetic and don't care about the customer apologies they do when the increase prices