Well, if your money disappeared, then there is nothing that you can do about it, i am sorry for your loss.
Getting to the point. Recently when I withdrew 88 XRP from Bitfinex my 0.02 BTC also disappeared. I read someone else also faced a similar issue on reddit. Might be due to a bug. I have contacted Bitfinex support and
But this is how it works, they are never going to give you your money back, your hard earned money.
You need to understand that leaving your money on an exchange is the worst thing that you can do, aand 88 ripple + 0,02 btc are nothing compared to all that money that a lot of people lost in here.
I lost $5000 in Bittrex more than six months ago (they stoled my balance, it was not my fault) Still no reply from the support.
A lot of people lost million on dollars in those shady exchanges, no one can trust them.