Not take a full post

Dear
I have a new problem.
On the site http://www.diariorss.com have a config with take a full post but not give this.
You can view a setting on http://prntscr.com/bswjy0 (Feed Política La Nación).
I can test with Politica Infobae and this similar result, not pass full post.

You can help me? The grant access it´s to 2:38 pm of tomorrow.

Thank you.
Leonardo Grabow