Perhaps you should try some spelling variations:
"_ geographical shift paper 1/2011" » "_ geographical point paper 1/2011", "_ geographical social paper 1/2011", "_ geographical scope paper 1/2011", "_ geographical short paper 1/2011", "_ geographical shift chapter 1/2011", "_ geographical shift cancer 1/2011", "_ geographical shift paper _/2011", "_ geographical shift paper i/2011", "_ geographical shift paper 2/2011"
"do demographic life paper v/2011" » "do demographic risk paper v/2011", "do demographic shifts paper v/2011", "do demographic policy paper v/2011", "do demographics life paper v/2011", "does demographic life paper v/2011", "geo demographic life paper v/2011", "do demographic life power v/2011", "do demographic life per v/2011", "do demographic life peter v/2011", "do demographic life paper iv/2011", "do demographic life paper _/2011", "do demographic life paper i/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: (("do demographic life paper v/2011") OR ("_ geographical shift paper 1/2011"))~.
• Removing quotes may allow a broader search: (( do demographic life paper v/2011 ) or ( _ geographical shift paper 1/2011 ))~.
• Adding a wildcard symbol may retrieve word variants: (("do demographic life paper v/2011") or ("_ geographical shift paper 1/2011"))*.