If your take home income exceeds the amounts shown in the table above you will be required to pay back 50% of the amount above your allowable income. This is calculated on the financial year, any money collected will be distributed to your creditors.
Centrelink will not try to recover their debt whilst you are bankrupt, but can persue the debt once you have been discharged.
You may travel overseas during your bankruptcy, but you must notify your trustee and get their written permission. Your trustee can ask questions such as, "who is funding the trip", etc.