I feel you, brother. Myself been more than a year waiting for anyone to accept me for a job. God is in control. Keep her faith. Keep her trust in Him. God has His reasons that we will only see in the end.
Jeremiah 29:11 - For I know the plans I have for you,” declares the Lord, “plans to prosper you and not to harm you, plans to give you hope and a future.
Matthew 6:33 - But seek first his kingdom and his righteousness, and all these things will be given to you as well.
God will never let anything bad happen to your wife. She will be provided for. Keep her trust and faith. Work for God, and God will give her what she needs.