Perhaps you should try some spelling variations:
"multiple positions research : june 2010" » "multiple locations research : june 2010", "multiple options research : june 2010", "multiple solutions research : june 2010", "multiple transitions research : june 2010", "multiple positions research : june 2013", "multiple positions research : june 2014", "multiple positions research : june 2012"
"multi action research : july 2009" » "multi national research : july 2009", "multi actor research : july 2009", "multi option research : july 2009", "multi location research : july 2009", "multi action research : july 2008", "multi action research : july 2007", "multi action research : july 2019"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("multiple positions research : june 2010") or ("multi action research : july 2009"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("multiple positions research : june 2010") OR ("multi action research : july 2009")).
• Removing quotes may allow a broader search: (( multiple positions research : june 2010 ) or ( multi action research : july 2009 )).
• Adding a wildcard symbol may retrieve word variants: (("multiple positions research : june 2010") or ("multi action research : july 2009"))*.