If you delete your blog, it will no longer be available online and will be permanently removed from your list of blogs on your Blogger Dashboard. Here's how to delete your blog: Sign in to blogger.com and access your Blogger Dashboard. Beside the blog you want to delete, click the drop-down menu to the right of the gray Post List icon. Select Settings. Click Other (under Settings) on the left side of the page. At the top of the page under "Blog tools" click Delete blog. Click Delete this blog. The title of the deleted blog will appear in the "Deleted blogs" section for a short time after you delete your blog. During this time period, you can click Deleted blogs on the left side of your Blogger Dashboard to see the titles of your recently deleted blogs.
Sign in to your blogger account and go to dashboard Click on Settings ==> Basic Then find privacy section and click on Edit link Then find "Let search engines find your blog?" select No radio button Finally click on Save Changes button. That's all you're successfully hide your blog from search engines. Now everyone can still view your blog but search engines will be instructed not to crawl it. But if there are links to your blog from other websites, search engines may still suggest your blog in response to queries.