Some blog post in wrong order

The first two rows (3 columns) of blog posts are shown in the correct order (date, descending) on this page:

China News

But the subsequent rows have blog posts in a wrong order. Best to check the attached screenshot or the web page.

I tried switching to a different ‘Order By’ setting and switching back. I was able to change and see a different ordering of the blog posts. But when I switch back to the order by date (descending) the result was the same as before: two rows are correct, the rest is not.

Our site has the latest WordPress (4.7), latest WPBakery Visual Composer (Version 5.0.1), and latest theme Highend theme (3.3.3).

We don’t have Essential Grid plugin activated. But I did activate it after I found the problem with the blog post order, to see if it would help. It didn’t make a difference.