Perhaps you should try some spelling variations:
"mali options research : july 2012" » "mali operations research : july 2012", "mali opinion research : july 2012", "mali national research : july 2012", "call options research : july 2012", "making options research : july 2012", "scale options research : july 2012", "mali options research : july 2013"
"call action research : july 2009" » "call national research : july 2009", "scale action research : july 2009", "call option research : july 2009", "call options research : july 2009", "call action research : july 2006", "call action research : july 2013", "call action research : july 2011"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("call action research : july 2009") OR ("mali options research : july 2012"))~.
• Removing quotes may allow a broader search: (( call action research : july 2009 ) or ( mali options research : july 2012 ))~.
• Adding a wildcard symbol may retrieve word variants: (("call action research : july 2009") or ("mali options research : july 2012"))*.