Perhaps you should try some spelling variations:
multiple positions » multiple locations, multiple options, multiple solutions
positions research » locations research, solutions research, transitions research
multiple decision » multiple divisions, multiple description, multiple direction
decision research » edition research, description research, discussion research
july 2009 » july 2008, july 2007, july 2019
july 2012 » july 2013

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 : july 2009 ) or ( multiple decision research : july 2012 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( multiple positions research : july 2009 ) OR ( multiple decision research : july 2012 )).
• Adding a wildcard symbol may retrieve word variants: (( multiple positions research : july 2009 ) or ( multiple decision research : july 2012 ))*.