Yellow sub trading online is a ****

Ordered in November 5 items and they delivered only 3 without communication of what is happening, i then made an enquiry asking where is the other 2 since all items were paid for, they told me i will be refunded because items were not available they then refunded me for 1 item up untill this day i have been sending email requesting my other money they are not responding. And then ordered again december the items were small i then made a return that i had to pay for they took the items up until this day i have to receive my items