Don't have an account?
Search for an answer or ask a question of the zone or Customer Support.
You need to sign in to do that
Sign in to start searching questions
Signup for a Developer Edition
Sign in to start a discussion
Check below references that can help you.
https://help.salesforce.com/s/articleView?id=sf.search_results_setup_lex.htm&type=5
https://help.salesforce.com/s/articleView?id=sf.rss_search_global.htm&type=5
https://salesforce.stackexchange.com/questions/282030/customize-global-search
Thanks,