Yes. Every time you enter a search query, Freshdesk will search across tickets, solution articles, forum posts and customers (contacts and companies), and in the following items within the broader categories:
Tickets - subject lines, descriptions, notes, replies, ticket fields, tags, attachment names Contacts/companies - names, emails, phone numbers, contact fields Solution articles - Titles, descriptions, tags, attachment names Forums - Titles, posts
For more information please refer to this link.