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

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• Performing a fuzzy search may retrieve terms with similar spellings: (("a development studies.") or ((("a development series.") or ("a government agencies."))))~.
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• Adding a wildcard symbol may retrieve word variants: (("a development studies.") or ((("a development series.") or ("a government agencies."))))*.