Perhaps you should try some spelling variations:
"_ binational research : july 2009" » "_ national research : july 2009", "_ figurational research : july 2009", "_ foundational research : july 2009", "_ binational research : july 2008", "_ binational research : july 2007", "_ binational research : july 2019"
"multi accident research : july 2012" » "multi current research : july 2012", "multi recent research : july 2012", "multi vaccine research : july 2012", "multi client research : july 2012", "multi accident research : july 2013"

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: (("multi accident research : july 2012") OR ("_ binational research : july 2009"))~.
• Removing quotes may allow a broader search: (( multi accident research : july 2012 ) or ( _ binational research : july 2009 ))~.
• Adding a wildcard symbol may retrieve word variants: (("multi accident research : july 2012") or ("_ binational research : july 2009"))*.