Perhaps you should try some spelling variations:
"Non-government organizations --" » "Non-government organization --", "Non-government organisation --", "Non-governmental organisations --"
"Non-government organisations --" » "Non-government organisation --", "Non-governmental organisations --", "Non-government organization --"
"non-governmental organizations --" » "non-governments organizations --"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("non-governmental organizations --") OR ((("Non-government organizations --") OR ("Non-government organisations --"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"non-governmental organizations --\") or (((\"Non-government organizations --\") OR (\"Non-government organisations --\"))))~".
• Removing quotes may allow a broader search: (( non-governmental organizations -- ) or ((( Non-government organizations -- ) OR ( Non-government organisations -- ))))~.
• Adding a wildcard symbol may retrieve word variants: (("non-governmental organizations --") or ((("Non-government organizations --") OR ("Non-government organisations --"))))*.

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