Perhaps you should try some spelling variations:
"mali options research : july 2011" » "mali actions research : july 2011", "mali optics research : july 2011", "mali operations research : july 2011", "scale options research : july 2011", "i options research : july 2011", "iii options research : july 2011", "mali options research : july 2013", "mali options research : july 2012", "mali options research : july 2015"
"call option research : july 2006" » "call opinion research : july 2006", "call action research : july 2006", "call optics research : july 2006", "call option research : july 2008", "call option research : july 2007", "call option research : july 2009", "all option research : july 2006", "hall option research : july 2006"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("mali options research : july 2011") or ("call option research : july 2006"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("mali options research : july 2011") OR ("call option research : july 2006"))*.
• Removing quotes may allow a broader search: (( mali options research : july 2011 ) or ( call option research : july 2006 ))*.