Perhaps you should try some spelling variations:
"e development policies." » "e development policy.", "e development projects.", "sme development policies.", "mine development policies.", "site development policies."
"a development services." » "a development process."
"e development series." » "e development agencies.", "e development strategies.", "e development strategy.", "sme development series.", "mine development series.", "site development series."

Try widening your search to All Fields.

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