Perhaps you should try some spelling variations:
"a development strategies." » "a development strategy."
"_ developments studies." » "_ developments series.", "_ development stories.", "_ development studio.", "_ development studies.", "_ developmental studies."
"e development studies." » "e development series.", "e development services.", "e development strategy.", "sme development studies.", "mine development studies.", "site development studies."

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