Perhaps you should try some spelling variations:
"a demographic short paper v/2011" » "a demographic shift paper v/2011", "a demographic storm paper v/2011", "a demographic shifts paper v/2011", "_ demographic short paper v/2011", "a demographic short chapter v/2011", "a demographic short reader v/2011", "a demographic hobart paper v/2011", "a demographic short paper iv/2011", "a demographic short paper _/2011", "a demographic short paper 1/2011"
"_ geographic while paper i/2011" » "_ geographies white paper i/2011", "_ geographic profile paper i/2011", "_ geographic scope paper i/2011", "_ geographic white paper i/2011", "_ geographic white papers i/2011", "_ geographic toilet paper i/2011", "_ geographic while paper _/2011"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ geographic while paper i/2011") OR ("a demographic short paper v/2011"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ geographic while paper i/2011\") OR (\"a demographic short paper v/2011\"))*".
• Removing quotes may allow a broader search: (( _ geographic while paper i/2011 ) OR ( a demographic short paper v/2011 ))*.