The Smart Search add-on provides search suggestions as you enter into the search field, making things quicker for customers.
The search functionality expands to include Collections, Products, Blog Articles, and Pages.
How to Expand Smart Search Criteria
STEP 1
In Shopify admin, under Online Store, click on Themes.
STEP 2
Select your Debutify Shopify theme and click on Customize.
STEP 3
Click on the Theme Settings icon.
STEP 4
Click on Advanced Settings.
STEP 5
Enable search and select what the search criteria should include.
STEP 6
Click Save to apply the changes.