Perhaps you should try some spelling variations:
"_ development studies." » "_ development series.", "_ development services.", "_ development policies."
"mine development strategy." » "sme development strategy.", "trade development strategy.", "business development strategy.", "minsme development strategy.", "minsite development strategy.", "mintrade development strategy."
"e development strategies." » "sme development strategies.", "site development strategies.", "trade development strategies."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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