Perhaps you should try some spelling variations:
"multi accident research : july 2009" » "multi action research : july 2009", "multi vaccine research : july 2009", "multi accident research : july 2013", "multi accident research : july 2012", "multi accident research : july 2011"
"multi climate research : july 2006" » "mali climate research : july 2006", "bali climate research : july 2006", "multi climate research : july 2013", "multi climate research : july 2012", "multi climate research : july 2011"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"multi accident research : july 2009\") OR (\"multi climate research : july 2006\"))~".
• Removing quotes may allow a broader search: (( multi accident research : july 2009 ) OR ( multi climate research : july 2006 ))~.
• Adding a wildcard symbol may retrieve word variants: (("multi accident research : july 2009") OR ("multi climate research : july 2006"))*.