WPMU DEV CUSTOM GOOGLE SEARCH Plugin
Replace the default WordPress search engine with search powered by Google.
WPMU DEV CUSTOM GOOGLE SEARCH Plugin leverages the awesome power of the world’s number one search engine to enhance your sites search results.
Activate this plugin and instantly make the search tool on your site infinitely more powerful.
Eliminate lists of irrelevant results with search powered by Google.
Please visit official plugin page for more information