Search tools are optional components you can add to the layout of your blog. Since it is an optional component, not all blogs have a search tool displayed.
The appearance of search tools varies from blog to blog, but in general search tools are shown in the left column of your blog and include text boxes in which users can enter search terms, and Go buttons to start the search process.
Note: The ability to assign keywords to individual postings makes it easier for users to search for postings.
The search area on your blog main page is similar to the graphic example shown below:
The graphic below shows an example of the results of a search for the word "keyboard":
