Bought Data through the app but did not received it

2 weeks ago my husband bought data for our son through the capitec app he never received it so we decided to buy him again using another bank app we have which was successfully immediately and we suffered a loss just like and we never thought anything of it until it happened again this morning when I bought my son several social media data but he never received it as well yet the money left my account and mind you my husband was never refunded for that Data that did not get through, Capitec Bank please I need to know why this is happening and please return my money because I had to buy again with another bank and it was successful with them kindly investigate this