The following details on how to integrate Google Custom Search Engine into WordPress.

1, first of all, you must have a Google account. Created, then in the “My Account” to access the Custom Search. point “to create a custom search engine”, enter the relevant information, you can start using it.

2, open the created search engine – Control panel – Basics.
Add some Search engine keywords;

Set “Language settings” and “Preferences”. This part notice two things: “Search engine encoding”, select UTF-8;  “Advertising status”, if you choose not to show ads on results pages, then you will not be able to make money using Google’s AdSense for Search program.

3, the most critical step: to obtain the code. Control panel – Get code “Search results hosting options” choose “Host results on my website using an iframe
This requires two pages: one for the search box and another for the results”.

“Specify search results details”: To create a search input page address. Such as mine: http://biotechgo.net/search.

“Specify where you want the advertising to be placed”: It is recommended to choose the top and bottom, whether the site could affect the appearance. That is experience.

4,Using the “Search box code” to replace the entire contents of the wordpress theme document searchform.php

5,Created WordPress new search page, it is necessary the same name with “Specify search results details”, as I was: http://biotechgo.net/search.

Control panel – Get code: paste “Search results code” into WordPress the new search page in Html.

The page used to output the results of Google Custom Search, so do not set the page display. Use of wp_list_pages () function and exclude parameters to weed out the page.

Such as <? Php wp_list_pages ( ‘title_li = & depth = 1′);?> Replaced by <? Php wp_list_pages ( ‘title_li = & depth = 1 & exclude = 997′);?> Which 997 is the page’s ID you want to hide.

6, You also need to adjust the code above. Mainly modify  googleSearchFrameWidth = 600, modified 600 to fit width.

7, other, such as the style of the search results page in order to customize to match your site, etc.