Vodacom scarm

I have a contract with vodacom. On this account I gave them my account number to deduct the money from. As I am self employed I realised that I cannot honoured a debit order because my money doesn't get paid in one date. I started to pay by myself for over 12 months. I trusted this company so that I never realised even when ***** from me. In January I saw the money that was changed on my invoice. I went to Voda shop they told me that there are monies that was not allocated, I called vodacom they told me another story. I want them to go back and see where they stole my money and update my account. Even my account was R199 but today is R229 without notification. I want people to be CAREFUL of vodacom ****. I don't blame people who stop to pay them is karma.