Please also use the below CSS code to hide the images on the search results page.

.search-results article .post-thumb {
    display: none;
}

I have edited the URL that you have added in your initial reply.

I hope you are well today and thank you for your question.

You can hide it by adding the below CSS code in the Custom CSS option of Ivory Search plugin settings on the path Ivory Search -> Settings -> Settings

.search-results article .entry-content {
    display: none;
}

.search-results #content article {
    padding: 20px 0 0;
}

Best regards,
Ivory Search Support

They are not in the search results but in the layout of the search results page.

If you still don’t understand it then please deactivate the Ivory Search plugin and see whether you see them in the search results page.

It displays fine for me on the below page as shown in the attached screenshot.

Steps 7, 8, & 9

Could you please test it using a different browser?