Hi there, @cqhuynh.
Let's ensure you’re using the correct listing name of your credit union account to transfer your financial information to QuickBooks.
However, if you're still unable to find your bank after performing the steps above, you can request support for your bank. Let me guide you on how.
In case you want to complete your work, I'd recommend downloading transactions from your bank's website and upload them to QBO. Here are the two options you can perform:
I'll be right here to help if you need further assistance. Have a good day.