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

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("a development series.") OR ("a development agencies."))) or ("asian development studies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a development series.") OR ("a development agencies."))) OR ("asian development studies.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a development series.\") OR (\"a development agencies.\"))) or (\"asian development studies.\"))".
• Removing quotes may allow a broader search: (((( a development series. ) OR ( a development agencies. ))) or ( asian development studies. )).
• Adding a wildcard symbol may retrieve word variants: (((("a development series.") OR ("a development agencies."))) or ("asian development studies."))*.