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

Try widening your search to All Fields.

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