Perhaps you should try some spelling variations:
"multi location research : july 2009" » "multi locations research : july 2009", "multi education research : july 2009", "multi action research : july 2009", "multi option research : july 2009", "multiple locations research : july 2009", "multiplication _ research : july 2009", "multi location research : july 2008", "multi location research : july 2007", "multi location research : july 2019"
"multi opinion research : july 2009" » "multi action research : july 2009", "multi option research : july 2009", "multi opinion research : july 2008", "multi opinion research : july 2007", "multi opinion research : july 2019"

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