Perhaps you should try some spelling variations:
"scale options research : july 2006" » "scale operations research : july 2006", "scale action research : july 2006", "scale opinion research : july 2006", "call options research : july 2006", "share options research : july 2006", "care options research : july 2006", "scale options research : july 2013", "scale options research : july 2012"
"making using research : july 2011" » "making housing research : july 2011", "making making research : july 2011", "making business research : july 2011", "making using research : july 2013", "making using research : july 2012", "making using research : june 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: (("making using research : july 2011") OR ("scale options research : july 2006"))~.
• Removing quotes may allow a broader search: (( making using research : july 2011 ) or ( scale options research : july 2006 ))~.
• Adding a wildcard symbol may retrieve word variants: (("making using research : july 2011") or ("scale options research : july 2006"))*.