Perhaps you should try some spelling variations:
locations research » relations research, actions research, solutions research
making locations » mining locations, making vocational, making positions
options research » actions research, optics research, operations research
scale options » share options, care options, case options
july 2009 » july 2008, july 2007, july 2019
july 2006 » july 2008, july 2007, 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: (( making locations research : july 2009 ) OR ( scale options research : july 2006 ))~.
• Adding a wildcard symbol may retrieve word variants: (( making locations research : july 2009 ) or ( scale options research : july 2006 ))*.