I bought these coins on livecoin.net and they have sent them but I have not received them and on dubaicoin.org I wrote them to the contact mails a few days ago but they do not respond
Don´t quote your Problems to posts, that have nothing to do with it, it´s hard to found and not help you a lot!
To what Account Addr. you have sent your Coins?
How i understand it, you send them to a old Account, that you have no access to!
Is the Account Addr. from your Actual Wallet?
is Your Wallet in SYNC?
Be very careful You are validating a scam, which will be reported on several Internet sites, can not be covered with one hand