Perhaps you should try some spelling variations:
"sm_ development studies." » "sm_ development series.", "sm_ development services.", "sm_ development strategies.", "_ development studies.", "amp development studies.", "_ developments studies."
"e development africa." » "_ development africa.", "sme development africa.", "mine development africa."
"a development africa." » "_ development africa.", "clean development africa.", "asian development africa."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("sm_ development studies.") or ((("e development africa.") OR ("a development africa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sm_ development studies.") OR ((("e development africa.") OR ("a development africa."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sm_ development studies.\") or (((\"e development africa.\") OR (\"a development africa.\"))))*".
• Removing quotes may allow a broader search: (( sm_ development studies. ) or ((( e development africa. ) OR ( a development africa. ))))*.