From what I understand you wanted to use the same style of the https://www.thinkfree.com/en/blog/ to be the same with the japenese and ru blog.

So it does mean japanese and russian blogs have a different wordpress install?

Just a quick suggestion to minimize site maintenance, you can download a plugin to have your site in multilingual so that you can just manage 1 site.

But if you wanted to mirror the theme of the english blog. You can just duplicate it and remove the posts and then import blog posts from the japanese/russian blog and so on.