NationBuilder get post title from blog page

I am new for using NationBuilder I try to search for getting post title and post content from page project that contain sub post and sub page.

I try to use this code in my layout.html:

{% for post in page.blog.most_recent_blog_posts %}
<h2><a href="{{ post.url }}">{{ post.headline }}</a></h2>
<p>{{ post.blog_post.content }}</p>
{% endfor %}

But it is not working, not displaying anything in the layout. I hope everyone understand my question, if anyone know about this please help me, Thanks in advanced,