Lot Of people doing mistake in fail to adding custom permalink in Blogger.
What Is Custom Permalink???
permalink is a link which is better understand by user what is your post.unfortunatly you fail to add custom permalink in blogger it by default comes with post title.if you add custom link it will better to reach more people and getting more search in google.
First Sign into your blogger and select a blog if you have many blogs.
after that in the left-hand side click new post.
after you find page options in the right-hand side.
under page settings click permalink.in that we have two fields as automatic and custom permalink click custom perma link and give custom link to your post like these.
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