Perhaps you should try some spelling variations:
"meet vaccine research : june 2011" » "meet medicine research : june 2011", "media vaccine research : june 2011", "ant vaccine research : june 2011", "mr vaccine research : june 2011", "meet vaccine research : june 2013", "meet vaccine research : june 2014", "meet vaccine research : june 2010"
"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 2012", "meet action research : july 2015"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("meet action research : july 2011") OR ("meet vaccine research : june 2011"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"meet action research : july 2011\") OR (\"meet vaccine research : june 2011\"))".
• Removing quotes may allow a broader search: (( meet action research : july 2011 ) OR ( meet vaccine research : june 2011 )).
• Adding a wildcard symbol may retrieve word variants: (("meet action research : july 2011") OR ("meet vaccine research : june 2011"))*.