Order by Date, Newest First, and Highlight Search Terms

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

Please make sure that you have configured the search form settings correctly as described on the below pages.

Order Search Results Posts

Highlight Searched Terms

Yes, this can be a theme issue used on your site so to confirm it just temporary use the Twenty Nineteen theme on your site. If everything works fine then it’s your site theme issue.

Best regards,
Ivory Search Support