I am not sure if this is a duplicate of an existing issue.
When you harvest this url:
https://www.youtube.com/watch?v=Hnrdfb6HiK0
The title field in solr is:
title":"سيدة الصبر - المرأة العراقية - كريم العراقي - اØÙ…د الثرواني - YouTube",
Also other fields such as keywords has the same issue.