The typical Magento 2 search works as follows: the site re-indexes all of the goods and adds information about the qualities involved in the search to the database, either manually or on a set schedule. When a user types in a query, the site divides it into pieces that are linked by logical OR.
On the search term's management grid, choose the checkbox for the term you want to remove.
Select the Delete option from the Action box.
To finish, click Submit.
Customers utilise search phrases to find the products they came to your website looking for. Customers utilise the most searched words in your store, therefore popular search keywords are the most searched words in your store.
Proceed to Stores>Attributes>Product in the Admin Panel, then select a required attribute from the Attribute grid and go to Storefront Properties;
Change the 'Use in Search' option to 'Yes'.
Elasticsearch is an Apache Lucene-based distributed search and analytics engine. Elasticsearch has swiftly become the most popular search engine since its introduction in 2010, and it is frequently used for log analytics, full-text search, security intelligence, business analytics, and operational intelligence.