Perhaps you should try some spelling variations:
"multi climatic research : july 2009" » "multi climate research : july 2009", "multi climatic research : july 2008", "multi climatic research : july 2007", "multi climatic research : july 2019"
"multi factor research : july 2009" » "multi factors research : july 2009", "multi sector research : july 2009", "multi actors research : july 2009", "multi actor research : july 2009", "_ multifactor research : july 2009", "multi factor research : july 2008", "multi factor research : july 2007", "multi factor research : july 2019"

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: "((\"multi factor research : july 2009\") OR (\"multi climatic research : july 2009\"))~".
• Removing quotes may allow a broader search: (( multi factor research : july 2009 ) OR ( multi climatic research : july 2009 ))~.
• Adding a wildcard symbol may retrieve word variants: (("multi factor research : july 2009") OR ("multi climatic research : july 2009"))*.