Keep on paying

Can someone please assist. I had several bad experiences with repairs to my appliances. Repairs was done sometimes weeks after reporting the matter, and during my last experience, I decided to cancel the contract. An e-mail was sent and it was confirmed that the contract will be stopped, although a last premium was deducted because I cancelled too late. There was e-mail communication for this. I did not follow up, and to my surprise I found that the premium was never stopped, but still deducted every month. I made it clear that I did not want to make use of the services any more. I need all the premiums that was deducted to be refunded to me and this policy to be cancelled now. Hope to hear froM somebody soon.