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If you want to buy a house, I would pay off the accounts in full. Remember any settlements you do may have taxes on them. If you save more than $600, you will get a 1099C, cancellation of debt and will have to report that as income on your taxes.
Also make sure whatever is still open that was included in bankruptcy is disputed immediately. Once that is fixed, your credit my increase. They are showing collections and past due, but if they were suppose to be in banko, they should be at $0.
Good luck!