Perhaps you should try some spelling variations:
"city development strategies." » "city development strategy.", "capacity development strategies.", "policy development strategies.", "community development strategies."
"_ development studies." » "_ development series.", "_ development services.", "_ development strategy."
"a development process." » "a development projects.", "a development programs.", "a development policies."

Try widening your search to All Fields.

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