Search engines are most common requirement for a blog. Search engine allow your visitors to easily find the articles. In this way visitors will read more of your articles. So it is useful for both blog visitors and blog authors. You can read this tutorial to add a search engine to your blog.
Follow the steps given below to add a search engine to your blog:
Step 1. Login to your blogger blog and go to Layout -> Page Elements.
Step 3. Now copy and paste the following code into HTML window.
<form id="searchThis" action="/search" style="display:inline;" method="get"> <input id="searchBox" name="q" size="20" type="text"/> <input id="searchButton" value="Search" type="submit"/> </form>
Step 4. Click on Save. That’s all.
You can also add Google Custom Search Engine to your blog, if you don’t like this one.
To add a Google CSE, visit http://www.google.com/coop/cse/ and follow the instructions given there.