Don't adhere to there own delivery rules!!!!

Hi I have purchased items from Groupon who took my money from my bank account more than 3weeks ago. I only received one item and still waiting for the other two. Tried emails and calling them but nothing happens! Really frustrated that I have paid for things but I have but have not received the two items. Those items were Christmas gifts for family but look at the date and time, Christmas has past! This is bad bad service from Groupon. I will never speak good about them to anyone.