we received 2 times note "not home" while we were ...

we received 2 times note "not home" while we were 3 people home both times. They sent my package to this center without any note. I tracked it myself and when we went to pick it after 5 days, could not say where is the package. In the website it says "successfully delivered"!!!!!! and guess what it has not been returned to the shop even. Now the products are finished, not possible to order again. Where is my package?