Advertising **** promotions

Good day I'm very disappointed in the ***** promotional adverti*****t in store but when its ring up at the till point there is no discount or the discount isnt correct. There is a tracksuit promotion for R139 but at the till it doesn't ring up like that and there is also poloneck or long sleeve tee promotion buy any to and pay for R49 for 1 but the promotion didn't deduct when it was ring up.