Perhaps you should try some spelling variations:
"multi national research : july 2006" » "multi educational research : july 2006", "_ multinational research : july 2006", "multinationals _ research : july 2006", "_ multinationals research : july 2006", "multi national research : july 2013", "multi national research : july 2012", "multi national research : july 2011"
"multi factor research : july 2006" » "multi sector research : july 2006", "multi action research : july 2006", "multi water research : july 2006", "_ multifactor research : july 2006", "multi faceted research : july 2006", "multi factor research : july 2013", "multi factor research : july 2012", "multi factor research : july 2011"

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

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