You can configure this feature in the account by following this link.

You can add search-concepts in your shop for special search terms in order to pre-filter the search results for your users and guide them faster to meaningful results.

• Status: Shows, if the search-concept is enabled or disabled.
• Name: Name of the search-concept (users won't see this).
• Campaign: If you have set up a campaign, you can associate the search concept to (a campaign).
• Trigger: Search terms for which the user should get the search-concept result.
• Filter suggestions: Choose a filter for the search concept.
• Filter value suggestions: Choose a filter value for the search concept.
• Alternative Search term: If the alternative search term is specified, this term will be searched internally. This way you can search for certain items within the already chosen filters.