Perhaps you should try some spelling variations:
"post accident research : july 2012" » "post current research : july 2012", "post recent research : july 2012", "post vaccine research : july 2012", "post incident research : july 2012", "plant accident research : july 2012", "road accident research : july 2012", "post accident research : july 2013"
"meet action research : july 2011" » "meet national research : july 2011", "meets action research : july 2011", "meet section research : july 2011", "reset action research : july 2011", "meet action research : july 2013", "meet action research : july 2015", "meet action research : july 2019"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("post accident research : july 2012") or ("meet action research : july 2011"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("post accident research : july 2012") OR ("meet action research : july 2011")).
• Removing quotes may allow a broader search: (( post accident research : july 2012 ) or ( meet action research : july 2011 )).
• Adding a wildcard symbol may retrieve word variants: (("post accident research : july 2012") or ("meet action research : july 2011"))*.