Adding The Custom Search Engine To Your Blog Post

• Login to your blogger dashboard
• Click on "Design" > "Edit HTML" > back up your template
• Mark/Tick "Expand Widget Templates"
• Use ctrl F to find <data:post.body> if you wish to add it below your post, or find <div class='post-header-line-1'/> if you wish to add it above your post.
• Paste the code which you copied from google cse after any of the above two option.
• Click "SAVE TEMPLATE", that's all.