Have you set your regional settings in DDG to "Sweden"?
Heres a comparison between search results when I chose "English" vs. "Norwegian" on a Norwgeian term: http://i.imgur.com/ReIa5.png
Heres a comparison between search results when I chose "English" vs. "Norwegian" on a Norwgeian term: http://i.imgur.com/ReIa5.png
To be fair I do most of my searches in English and therefore it might cause irrelevant results again. Changing back and forth depending on what language I am search for is hardly ideal.
Will have a look to see how it affects my searches.