Perhaps you should try some spelling variations:
"a development studies." » "a development services.", "a development strategies.", "a development strategy.", "_ development studies.", "clean development studies.", "asian development studies."
"a development series." » "a development services.", "a development agencies.", "a development strategies.", "_ development series.", "clean development series.", "asian development series."
"urban development africa." » "human development africa."

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: (("a development studies.") or ((("a development series.") or ("urban development africa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("a development studies.") OR ((("a development series.") OR ("urban development africa.")))).
• Removing quotes may allow a broader search: (( a development studies. ) or ((( a development series. ) or ( urban development africa. )))).
• Adding a wildcard symbol may retrieve word variants: (("a development studies.") or ((("a development series.") or ("urban development africa."))))*.