Perhaps you should try some spelling variations:
"health demographic scope paper 2/2011" » "data demographic scope paper 2/2011", "health demographic scale paper 2/2011", "health demographic sample paper 2/2011", "health demographic storm paper 2/2011", "health demographic code paper 2/2011", "health demographic scoping paper 2/2011", "health demographic income paper 2/2011", "health demographic scope paper _/2011", "health demographic scope paper i/2011", "health demographic scope paper 1/2011"
"high geographic scope chapter 2/2011" » "through geographic scope chapter 2/2011", "health geographic scope chapter 2/2011", "using geographic scope chapter 2/2011", "high geographic score chapter 2/2011", "high geographic scores chapter 2/2011", "high geographic scene chapter 2/2011"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("high geographic scope chapter 2/2011") or ("health demographic scope paper 2/2011"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("high geographic scope chapter 2/2011") OR ("health demographic scope paper 2/2011")).
• Removing quotes may allow a broader search: (( high geographic scope chapter 2/2011 ) or ( health demographic scope paper 2/2011 )).
• Adding a wildcard symbol may retrieve word variants: (("high geographic scope chapter 2/2011") or ("health demographic scope paper 2/2011"))*.