This Tip will Guide in Recovering your Deleted Article without a Backup.
The Only Requisite is to Find a Article Cached Copy on Google or somewhere else.
You need to Find the ArticleID of your Article
Open Google in your Browser Window (here i will suppose is Firefox)
Search for “yourBlogAddress.blogspot.com someKeywordsContainedInTheArticle”
You should find your Deleted Article in the Search Results
Look at the HTML Source: Firefox > View > Page Source
Search for “postID“
Mac Cmd+f
PC Ctrl+f
Copy the postID of the Deleted Article
On Blogger Make a New Article
Blogger > Articleing > New Article
Now Replace the postID with that of the Deleted Article
Reload your Page on Browser
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After you Should be Happy for the magically Restored Article ;)