Perhaps you should try some spelling variations:
medicine research » medical research, media research, vaccine research
action research » national research
aids medicine » aids medicines, a medicine, aids medical
new action » new nation
july 2009 » july 2007, july 2019, july 2006
july 2008 » july 2013, july 2012, july 2020

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( aids medicine research : july 2009 ) or ( new action research : july 2008 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( aids medicine research : july 2009 ) OR ( new action research : july 2008 )).
• Adding a wildcard symbol may retrieve word variants: (( aids medicine research : july 2009 ) or ( new action research : july 2008 ))*.