What you need to understand: the debt will never go away. Taxes: you can not run from them, make whatever arrangements you can to pay them back. Assets: homes, stocks and other liquid assets will be taken by the creditors if you leave. If you are willing to have that done, so be it. If you have no personal assets that can be taken to repay the debt, no need to worry.
Things you have to be willing to accept: a new life...forever. There is no coming back to stay. If you ever intend on returning to your home country, be prepared for a myriad of problems. A decision to move overseas to deter financial obligations is a permanent decision. Make sure you understand what all that entails before making such a move.
All that being said, moving overseas will provide you with a fresh start. Learn from your previous mistakes, start a new career and build your life again.
There are a plethora of forums and sites that offer ways to leave the country and start over. Do your research, prepare appropriately and be ready to change your life.