Complaint about bad service

In September I cancelled 2 contracts at vodacom and paid the amount in full as they requested. In Oct I was billed again for one. I went in to a store and they could not assist me. I phoned a lodge a complained and was promise that they will get back to me. In December a logged a complain again. On the 12 December I received a message that the complaint has been resolve but I have not yet heard a word from the,.1- ********** ********** I receive a message this problem is resolve, but dit Not receive any feedback. Today it is the 15 January 2019 and I still not receive a call nor my money back. I need assistance to get my money back. How could Vodacom struggle to get a complaint sorted out from the 14 September 2018 to january 2019. Would any one get Vodacom to react and get a solution to the problem. or should I attached or details as per my mail on Hello Peter.com. Saritha **********