Perhaps you should try some spelling variations:
"trading actions research : july 2012" » "trading actional research : july 2012", "trading actors research : july 2012", "trading locations research : july 2012", "trading options research : july 2012", "trading nations research : july 2012", "trading stations research : july 2012", "trading actions research : july 2013"
"mali action research : july 2011" » "mali national research : july 2011", "mali options research : july 2011", "mali action research : july 2013", "mali action research : july 2015", "mali action research : july 2019"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("trading actions research : july 2012") or ("mali action research : july 2011"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("trading actions research : july 2012") OR ("mali action research : july 2011")).
• Removing quotes may allow a broader search: (( trading actions research : july 2012 ) or ( mali action research : july 2011 )).
• Adding a wildcard symbol may retrieve word variants: (("trading actions research : july 2012") or ("mali action research : july 2011"))*.