Perhaps you should try some spelling variations:
"health demographic scope paper 1/2011" » "data demographic scope paper 1/2011", "health geographic scope paper 1/2011", "health demographic scale paper 1/2011", "health demographic sample paper 1/2011", "health demographic code paper 1/2011", "health demographic scope chapter 1/2011", "health demographic scoping paper 1/2011", "health demographic scope paper _/2011", "health demographic scope paper i/2011", "health demographic scope paper 2/2011"
"high geographic code parsers 2/2011" » "through geographic code parsers 2/2011", "health geographic code parsers 2/2011", "using geographic code parsers 2/2011", "high geographic scope parsers 2/2011", "high geographic index parsers 2/2011", "high geographic food parsers 2/2011", "high geographic code paper 2/2011", "high geographic code parsers 6/2011", "high geographic code partners 2/2011", "high geographic code papers 2/2011"

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: (("high geographic code parsers 2/2011") OR ("health demographic scope paper 1/2011"))~.
• Removing quotes may allow a broader search: (( high geographic code parsers 2/2011 ) or ( health demographic scope paper 1/2011 ))~.
• Adding a wildcard symbol may retrieve word variants: (("high geographic code parsers 2/2011") or ("health demographic scope paper 1/2011"))*.