UNAUTHORIZED DEBIT ORDERS/ DECUCTIONS

can someone tell me what these are, and how i will be refunded?<br> i went to the vince branch, and no one knew anything<br> <br> debit order from my cheque account and savings account<br> serrf - 15/12/2015 - cheque - r99.00<br> external billion -rf ***9 bill3323 - 25/01/2016- cheque - r99.00<br> external billion -rf ***2 bill3326 - 25/01/2016 - cheque - r99.00<br> one call sol/9191 15 jan7972 - 15/02/2016 - cheque - r99.00<br> external mediplus rf*** smart6811 15/02/2016 - cheque - r99.00<br> c wealth cm150216 s1160 - 17/02/2016 - savings - r99.00<br> external mediplus rf***5 smart1575 - 15/01/2016 - cheque - r99.00<br> csmarketing/9184css1552 - 15/01/2016 - cheque - r79.00<br> arv company 9138amv3222 - 15/01/2016 - cheque - r89.00<br> collectserrf***4 bill 18199 - 19/01/2015 - cheque - r99.00<br> casmarketing 9184css1552 - 15/02/2016 - cheque - r79.00<br> arvcompany 9138amw3222 - 15/02/2016 - cheque - r89.00<br> arvcompany9138amv3222 - 15/12/2015 - cheque - r89.00<br> casmarketing9184css1552 - 15/12/2016 - cheque - r79.00<br> casmarketing9184css1552 - 15/02/2016 - savings - r99.00<br> collectserrf***4bill18199 - 18/12/2015 - cheque - r99.00<br> collectserrf***1bill18196 - 18/12/2015 - cheque - r99.00<br>