Corrected links (yours have some invisible characters in them that make them inaccessible):
http://ar.wikimedialevant.org/index.php?title=%D8%A7%D9%84%D8%A3%D8%B1%D8%AF...
http://ar.wikimedialevant.org/index.php?title=%D9%86%D9%87%D8%B1_%D8%A7%D9%8...
I think most of the parsing problems can be resolved by setting `$wgUseTidy = true;` in your LocalSettings: https://www.mediawiki.org/wiki/Manual:$wgUseTidy
I don't know why some of the pages are missing.