You will need to amend the 2020 tax return that you filed to get the Recovery Rebate Credit for EIP1 and EIP2
See this TurboTax support FAQ for amending a 2020 tax return - https://ttlc.intuit.com/community/amending/help/how-do-i-amend-my-return/00/27439
Go to this IRS website for your tax account to see if the EIP1 and EIP2 payments were sent to you - https://www.irs.gov/payments/your-online-account
If they are shown in your tax account then go to this IRS website for how to start a trace on the payments - https://www.irs.gov/newsroom/2020-recovery-rebate-credit-topic-f-finding-the-first-and-second-economic-impact-payment-amounts-to-calculate-the-2020-recovery-rebate-credit
QF8. Missing Economic Impact Payment: How do I request a payment trace to track my first and second Economic Impact Payments? (updated February 2, 2022)
You would have to Amend Your Return for 2020. However, you need to be sure that you did not receive the payments in 2020. You can go back through your bank records to double check or you can visit your IRS Online Account.