No. Any expenses you paid for in 2018 would have to be entered on the 2018 tax return. You can amend the 2018 tax return to add those expenses.
See this TurboTax support FAQ for amending a 2018 tax return originally completed and filed using TurboTax - https://ttlc.intuit.com/community/amending/help/how-do-i-amend-a-return-in-turbotax/01/27579
