Step 1
From your shopify admin area navigate to "settings" > "custom data" area
create a new metafield. You are now on the product metafield definitions page. To create a new metafield for the product, click on “Add definition”. Enter “Hide from search” in the “Name” field. In the “Namespace and Key” section, enter “seo.hidden”, set the field type to “integer”, and click save. The name "seo.hidden" is important.
Step 2
Assign the value of "1" to the Fee product
Step 3
Go back to your online store. Make sure to clear cache and refresh. Try search to see if the results show the product.