Perhaps you should try some spelling variations:
"mdg oriented research : july 2009" » "mdg related research : july 2009", "mdg extended research : july 2009", "model oriented research : july 2009", "sex oriented research : july 2009", "4.1 oriented research : july 2009", "mdg oriented research : july 2008", "mdg oriented research : july 2007", "mdg oriented research : july 2019"
"recent climatic research : july 2006" » "recent climate research : july 2006", "recurrent climatic research : july 2006", "iirecent climate research : july 2006", "recent climatic research : july 2008", "recent climatic research : july 2007", "recent climatic research : july 2013"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("mdg oriented research : july 2009") or ("recent climatic research : july 2006"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("mdg oriented research : july 2009") OR ("recent climatic research : july 2006")).
• Removing quotes may allow a broader search: (( mdg oriented research : july 2009 ) or ( recent climatic research : july 2006 )).
• Adding a wildcard symbol may retrieve word variants: (("mdg oriented research : july 2009") or ("recent climatic research : july 2006"))*.