TurboTax does not have copies of tax returns prepared using the CD/download product installed on your computer. The only copies are on your computer or any removable storage device you might have saved them to or at the IRS if they were filed and accepted.
Here is how to get them from the IRS:
Complete return for $50: https://www.irs.gov/forms-pubs/about-form-4506
Transcript: https://www.irs.gov/individuals/get-transcript
