Related Post in a Page

Hey, i have one question.

I have the theme Karolina on this site. In the right sidebar, i have some last posts with thumbnails.

http://www.krieger-chiptuning.com/fahrzeugauswahl/

I want this on the home site:
http://www.krieger-chiptuning.com

Iam searching for the code, but its not working. Iam searching in the css and relatedposts.php

class="related-posts">

    <h3>

        Zusammenhängender Beitrag:

    </h3>
    <ul>
        <li class="first"></li>
        <li></li>
        <li></li>
        <li></li>
        <li class="first"></li>
        <li></li>
    </ul>

</div

Can u help me out?
It would be great
Kind regards

Hi!
It is a widget and it can appear only if sidebar is visible. On your home page is no sidebars.

Hm, ok, thanks nevertheless. I have solved it differently.
Kind regards