Did you use the same account and user ID for both of those returns? If you did that, then the second return overwrote the first one and it is lost forever. With online TurboTax you get one return per fee.
Check to see if you have a different account and user ID for yourself.
Many people have multiple TT accounts and forget how to access them. Log out of the account you are in now.
https://ttlc.intuit.com/questions/1901535-forgot-your-turbotax-online-user-id-or-password
Or did you use the desktop version of TurboTax? If so, the files are on your own hard drive or any backup device you used like a flash drive.
https://ttlc.intuit.com/questions/1901486-how-many-turbotax-accounts-do-i-have
https://ttlc.intuit.com/questions/1901535
https://ttlc.intuit.com/questions/1901659-find-your-tax-data-file-in-mac
https://ttlc.intuit.com/questions/1900721-find-your-tax-data-file-tax-file-in-windows
To get a copy of your previously filed returns prepared with online TurboTax https://ttlc.intuit.com/questions/1900748-how-do-i-get-a-copy-of-a-return-i-filed-in-turbotax-online
Sorry, Online is only good for 1 return per account. If you used the same online account for both the second return done overwrote the first return and it is gone for good. So keep that account for your daughter and make a new account for you.
You can use the same email address for 5 accounts. How to start another return in the Online version