Zero-results handling is what the search does when nothing matches. Good systems recover with suggestions, relaxations, and helpful links.
Zero-results handling is a playbook of UI + logic used when a query returns no results. It offers spelling fixes, synonyms, relaxed filters, category links, and contact/help options.
Turn “no results” into helpful next steps, not a dead end.
See these concepts in action: semantic, typo-tolerant search for Shopify stores — implemented by Rapid Search