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

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