Perhaps you should try some spelling variations:
"heat climate research : july 2009" » "health climate research : july 2009", "threat climate research : july 2009", "best climate research : july 2009", "heat climate research : july 2007", "heat climate research : july 2019", "heat climate research : july 2006"
"heat climate research : july 2008" » "health climate research : july 2008", "threat climate research : july 2008", "best climate research : july 2008", "heat climate research : july 2013", "heat climate research : july 2012", "heat climate research : july 2020"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"heat climate research : july 2009\") OR (\"heat climate research : july 2008\"))~".
• Removing quotes may allow a broader search: (( heat climate research : july 2009 ) OR ( heat climate research : july 2008 ))~.
• Adding a wildcard symbol may retrieve word variants: (("heat climate research : july 2009") OR ("heat climate research : july 2008"))*.