Perhaps you should try some spelling variations:
"a development strategies." » "a development strategy.", "_ development strategies.", "clean development strategies.", "asian development strategies."
"a development agencies." » "a development policies.", "a government agencies.", "_ development agencies.", "clean development agencies.", "asian development agencies."
"e development studies." » "e development series.", "e development services.", "e development strategy.", "_ development studies.", "sme development studies.", "mine development studies."

Try widening your search to All Fields.

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