We were looking for an extension for improving ability, performance, speed, and function for shopping with the best experience on ut.in.th.
Wildcard, related search queries, match modes, search analytics, and many others. Apart from the default Products section on storefront, we also display Popular Searches, Recent Searches, Categories to our search popup (example below).
Customized CSS a bit, so the module would fit our theme.
Elastic Search implements a useful search box in our website. The extension makes the store easy to use, and it answers for our requirements.
Examples of the results
Example search query in the search popup: