You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <search>
      <p ns="0" title="Autonomy" snippet="...d, &amp;amp;#8216;human information,&amp;amp;#8217; and draw real business value from that &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt;.&amp;lt;/p&amp;gt;&#10;...y to form an understanding of this data, allowing computers to capture the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; held within 100 percent of information, including structured, &amp;amp;#8216;extrem&#10;" size="2849" wordcount="404" timestamp="2013-08-07T18:14:54Z" />
      <p ns="0" title="Flyer Printing Services: Things You Need to Learn" snippet="...client. This could make them feel very special and feel you&#039;ve placed this &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; together only for them. In this way your email is unique along with the pri&#10;" size="4029" wordcount="664" timestamp="2015-04-05T08:24:06Z" />
    </search>
  </query>
</api>