Bad service online shopping

We ordered clothes online in November, i received an sms to go and collect at mall of africa of which i did, only to discover that i still had 5 items missing, when i called i was told they knew about and it was going to still be delivered. After sending several emails to *** we still have never received a response. Friday 12th December i received an sms saying my order is ready to collect, i only managed to go to mall of africa The fix today Monday 14th of December only to be told by the store manager that my order is not yet there....how is that for wasting each others time. They still dont respnd