Go to Ecome > Theme Options > General > Live Search Settings to setup up Live Search for your site here.
1. Enable Live Search – By clicking On to Enable Live Search, otherwise click Off.
2. Display Suggestion – By clicking On to display the Suggestion, otherwise click Off.
3. Search Min Characters – Select the min characters for the Live search here.
4. Search Max Characters – Select the max characters for the Live search here.
5. Search In – You can setup the live search by: Title, Description, Content, SKU… here.