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

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 ("urban development studies."))) or ("a development strategies."))~.
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• Adding a wildcard symbol may retrieve word variants: (((("a development studies.") or ("urban development studies."))) or ("a development strategies."))*.