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thanks. Marc. interesting links. Still my doubt remains. If I have two synonyms which are both very important key terms, would you build 2 seperate optimized pages? I see that google is getting better at recognizing synonyms in some occasions, but still detection does not seem very consistent.

Hi Daniel This is first time I'm thinking a SEO situation like this. Thanks for the question My Suggestion What  about creating a common page for all version on the core website. For example consider www.example.com as your core website. Create a page  called www.example.com/all-version , some thing like wikipedia main page ( http://www.wikipedia.org ) From each ccTLD Change Language option will take the user to the above all version page Just a suggestion, consider others feedback too

thanks for confirming it is caused by webmaster tools. I may give it a try to change server location via proxy instead of using geo setting in webmaster tools.