Perhaps you should try some spelling variations:
"_ multinational research : july 2006" » "_ national research : july 2006", "_ international research : july 2006", "_ institutional research : july 2006", "_ multinational research : july 2013", "_ multinational research : july 2011"
"multi educational research : july 2012" » "quality educational research : july 2012", "wealth educational research : july 2012", "low educational research : july 2012", "multi educational research : july 2013"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ multinational research : july 2006") or ("multi educational research : july 2012"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("_ multinational research : july 2006") OR ("multi educational research : july 2012")).
• Removing quotes may allow a broader search: (( _ multinational research : july 2006 ) or ( multi educational research : july 2012 )).
• Adding a wildcard symbol may retrieve word variants: (("_ multinational research : july 2006") or ("multi educational research : july 2012"))*.