How do we get approved for a house with having bad credit?

My husband has bad credit and I have no credit, does anyone have any tips or advice on who could approve us or anything like that? We are living in his parents basement with 2 children and have two more that come to visit him in the summer so we desperately need a house. Serious advice only please. thanks.
Update: I am a stay at home mom and my husband works at a alright amount of money, but he is far into debt. So do we just stay in the basement for a few years or what?
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