You are responsible for your debts. If you owe somebody money and don't pay them, they are entitled to take it anyway.
Yes, in Georgia, multiple garnishments can be taken from your wages at the same time. However, federal law limits the total amount that can be garnished from your wages in a single pay period. The combined amount taken for child support and creditor garnishment cannot exceed this limit. Be sure to verify the specific rules and regulations in Georgia regarding wage garnishment.