Stolen bitcoins will forever be stolen,theres no way to retrieve those loss bitcoins most especially if private keys of your addres were also stolen and you can't be able to open it.Be careful who you trusted to because in this field there were lots of scammers that looks after your money that can easily be taken,pretending that they can give you full service but left you empty handed,that sounds so annoying mate so please be vigilant and be wise enough  to whom you trust.