Perhaps you should try some spelling variations:
"meet vaccine research : july 2007" » "meet medicine research : july 2007", "media vaccine research : july 2007", "ant vaccine research : july 2007", "mr vaccine research : july 2007", "meet vaccine research : july 2008", "meet vaccine research : july 2013", "meet vaccine research : july 2012"
"meet climate research : july 2007" » "best climate research : july 2007", "deep climate research : july 2007", "heat climate research : july 2007", "meet climate research : july 2008", "meet climate research : july 2013", "meet climate research : july 2012"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("meet vaccine research : july 2007") OR ("meet climate research : july 2007"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"meet vaccine research : july 2007\") OR (\"meet climate research : july 2007\"))".
• Removing quotes may allow a broader search: (( meet vaccine research : july 2007 ) OR ( meet climate research : july 2007 )).
• Adding a wildcard symbol may retrieve word variants: (("meet vaccine research : july 2007") OR ("meet climate research : july 2007"))*.