#AND

<b:if cond='data:blog.pageType == "index"'>
  <b:if cond='data:blog.searchQuery'>
    <!--search_page AND index_page-->
  </b:if>
</b:if>


#OR

<b:if cond='data:blog.url == data:blog.canonicalHomepageUrl + &quot;p/foo.html&quot;'> 
  <!-- static_site foo OR static_site bar -->
      <b:else/>
<b:if cond='data:blog.url == data:blog.canonicalHomepageUrl + &quot;p/bar.html&quot;'> 
  <!-- static_site foo OR static_site bar -->
   </b:if>
</b:if>


#NOT

<b:if cond='data:blog.pageType != "index"'>
  <!-- all pages NOT index pages -->
</b:if>

<b:if cond='data:blog.url != data:blog.homepageUrl'> 
  <!-- all pages NOT homepage -->
</b:if>