Displaying List Items in a text field by looking up a text reference within a list

Hi everyone,

I know this may be a novice error on my behalf but i've tried several ways to solve this issue.
I am storing a product along with various details in a tinydb list, the problem i am having is that i want to search for that item and its relavant details in the list and display that information in text fields from the list using a lookup function by searching for a keyword.. Please see blocks attached.
Any help would be great. Thanks in advance

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