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As far as I know, there is no way of preventing those subdirectories from being included in the the .com's campaign except by use of the robots.txt, which you wouldn't want to do since you do need those crawled for their individual campaigns.  It would be nice to be able to "deselect" pages or folders from an existing campaign, wouldn't it.  You could include that in a feature request to the Moz, if you wanted.

Hello Marcin, It appears as if the tool is having difficulty with those characters. The phrase in question is only repeated 4 times in the entire page. According to my rough html character count, my guess is that the keyword difficulty tool is giving you the total number of thai characters instead of your actual keyword. I apologize and I will forward this information as a future feature addition. On a side note, we are updating our keyword tool now so it might be worth it to test this again next week once the fix is up.