Now I will show how to create "Search Engine" in your blogger. This Search Engine is use to find articel in your blog, not to find articel at all website in the world. It's very easy, just follow the trick below you will have search engine in your blog. Here's the step:

1. Login to Blogger, Go to "Layout --> Page Elements". Klick "Add a page elements" then chose "HTML/Java Script".
2. Put the code below into "Content" Box

<form action="http://yourblogname.blogspot.com/search" method="get"> <input class="textinput" name="q" size="30" type="text"/> <input value="search" class="buttonsubmit" name="submit" type="submit"/></form>

Change yourblogname with your blog's name. The number "30" is width of your search engine, you can change it for appropriate to your layout.

GOOD LUCK!!!