janothemes

The best ever plugin for wordpress and woocommerce search, it can be use to search products Or posts Or all Posts types, 
After installing use the shortcode to make the search form, which you can use in text widget, editor or in template files to create the search form.
after setting up everyting, When you type in anything thing in search box, A list of suggestions will be showed with link to all search results at the bottom of list,
live Demo and Documentation : <a href="http://www.janothemes.com/" rel="nofollow ugc">Click Here</a>
Go to the Premium Version Demo <a href="http://www.janothemes.com/premium-version/" rel="nofollow ugc">Click here</a> or <a href="https://www.fiverr.com/brilliantcoder/give-you-jano-wp-advance-search-plugin-f1769347-4702-48d0-8bdc-a87af45ab209" rel="nofollow ugc">Buy Now</a>
features :
<ul>
<li>Show post image in search result.</li>
<li>Show price of products(woocommerce products) in search result.</li>
<li>Show woocommerce on Sale product tag in search result.</li>
<li>Show Excerpt in search result.</li>
<li>Show Categories in search result.</li>
<li>Show Tags in search result.</li>
<li>Multiple form designs.</li>
</ul>
<h3>Translators === Available Languages =* English (Default)* ducth</h3>

jano wp and woocommerce advanced search

Simple and efficient

jano wp and woocommerce advanced search is the best plugin for wordpress and woocommerce, autosuggest products and posts search,

Harish Chaudhari

WP Lucky Search adds a Google like I’m feeling lucky button to the WordPress Search form and redirects to the random post depending upon search term. 
If search term is empty it just fetches any random post from the results.
WP Lucky Search might also help you to reduce the bounce rate of your site by attracting visitors to I’m feeling lucky button, which will help you to increase the ranking of your site.
It also has few useful settings like you can include/exclude public post types to fetch search results from, alert messages and caption settings.
<h4>Features</h4>
<ul>
<li>Redirect to random post based on saerch term</li>
<li>Search in selected public post types</li>
<li>Control the I’m feeling lucky and search button captions</li>
<li>Control visibility of Lucky and Search buttons</li>
<li>Translation ready</li>
<li>Alert message settings</li>
</ul>
You can find more <a href="http://harishchaudhari.com/projects/wp-lucky-search/" rel="nofollow ugc">here.</a>

WP Lucky Search

Adds a Google like I'm feeling lucky button to the WordPress Search form and redirects to the random post depending upon search term.

jano wp and woocommerce advanced search vs WP Lucky Search