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="W5" snippet="This workshop is vertical &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; that MSc 1&amp;amp;3 work together in mixed groups. Each group will address one of &#10;" size="5039" wordcount="690" timestamp="2016-10-04T08:43:52Z" />
      <p ns="0" title="Test" snippet="...p. In that way there is more wood in stock and we can reduce tree felling. &lt;span class=&#039;searchmatch&#039;&gt;Meaning&lt;/span&gt; for the design to only cut down trees for the application of roundwood. For&#10;" size="4930" wordcount="742" timestamp="2016-12-06T11:43:08Z" />
    </search>
  </query>
</api>