jano wp and woocommerce advanced search is the best plugin for wordpress and woocommerce, autosuggest products and posts search,
Replace your sluggish and rigid SQL search with the world open source leader Apache Solr wich powers the leading internet websites
Search in Place improves blog search by displaying query results in real time. It displays the results dynamically as you enter the search criteria.
A WordPress plugin that replaces the default WordPress search with a lot of benefits