Perhaps you should try some spelling variations:
"scale options research : july 2006" » "scale actions research : july 2006", "scale operations research : july 2006", "scale locations research : july 2006", "share options research : july 2006", "care options research : july 2006", "case options research : july 2006", "scale options research : july 2008", "scale options research : july 2007", "scale options research : july 2013"
"making optics research : july 2009" » "making haptics research : july 2009", "making omics research : july 2009", "making robotics research : july 2009", "imaging optics research : july 2009", "making options research : july 2009", "making politics research : july 2009", "making optics research : july 2008", "making optics research : july 2007", "making optics 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: (("making optics research : july 2009") or ("scale options research : july 2006"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("making optics research : july 2009") OR ("scale options research : july 2006"))*.
• Removing quotes may allow a broader search: (( making optics research : july 2009 ) or ( scale options research : july 2006 ))*.