Perhaps you should try some spelling variations:
"multi accident research : july 2007" » "multi current research : july 2007", "multi recent research : july 2007", "multi vaccine research : july 2007", "multi client research : july 2007", "multi accident research : july 2008", "multi accident research : july 2013", "multi accident research : july 2012"
"mali climate research : july 2007" » "bali climate research : july 2007", "daily climate research : july 2007", "early climate research : july 2007", "mali climate research : july 2008", "mali climate research : july 2013", "mali climate research : july 2012"

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

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• Removing quotes may allow a broader search: (( multi accident research : july 2007 ) OR ( mali climate research : july 2007 ))~.
• Adding a wildcard symbol may retrieve word variants: (("multi accident research : july 2007") OR ("mali climate research : july 2007"))*.