Useless courier services for Runwaysale

I am so dissappointed with the service I've received from Runwaysale online shopping recently. I placed 2 orders on the 20th and 21st of January 2020 the 1st one was going to take 15 to 22 days to be delivered then the 2nd 4 to 6 days and it was supposed to be delivered before the 14th of February. But to my suprise the one that I expected to be delivered later came on the 4th of February. The 2nd order has not been delivered as I am writing this review and to make things worse I've just read an email from a certain Carla from Runwaysale saying the couriers claim they delivered both parcels which is a lie. What I don't understand is I have been following up on this for almost a month now, calling and sending emails. I need my money back if they can't deliver incl the shipment fee. I have neverbeen so annoyed. The couriers failure ro do their job properly shouldn't be made my problem.