It`s been more than 5 months i haven`t received my returns.

I have received the status as " delay in processing your tax return and your expected refund date may have changed.with 1121 code. I filed my returns in January and today is 6/13/2016. It`s like waiting for so long and i dont understand why its taking so long. I have planned a lot on this returns and still didn`t receive them.