Bing searches based on the country you're in. However, there's a quick work around to this if you want to see differing results for differing countries. Just append the variable after /?cc= in your browser url box
Here's some codes
Here's a short list of valid ?cc= codes.
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http://www.bing.com/?cc=de
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http://www.bing.com/?cc=es
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http://www.bing.com/?cc=no
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http://www.bing.com/?cc=fr
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http://www.bing.com/?cc=it
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http://www.bing.com/?cc=nl
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http://www.bing.com/?cc=ie
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http://www.bing.com/?cc=au
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http://www.bing.com/?cc=ca
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http://www.bing.com/?cc=at
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http://www.bing.com/?cc=uk