Here's how to do the trick:
1. Login to blogger.com
2. Template -> Edit HTML
3. Find this code:
<b:include name='title'/>
4. Delete and change into the following code:<b:if cond='data:blog.pageType != "item"'>
<b:include name='title'/>
<b:else/>
<data:blog.pageName/>
</b:if>
<b:include name='title'/>
<b:else/>
<data:blog.pageName/>
</b:if>
5. Save Template. Done.
Or, you may show blog title after Post Title. Copy the following code instead of code no. 4
<b:if cond='data:blog.pageType != "item"'>
<b:include name='title'/> | You blog title or keyword
<b:else/>
<data:blog.pageName/>
</b:if>
<b:include name='title'/> | You blog title or keyword
<b:else/>
<data:blog.pageName/>
</b:if>
Save template. Done.