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

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