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

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: (((("e development strategy.") OR ("mine development strategy."))) or ("_ development studies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("e development strategy.") OR ("mine development strategy."))) OR ("_ development studies.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"e development strategy.\") OR (\"mine development strategy.\"))) or (\"_ development studies.\"))".
• Removing quotes may allow a broader search: (((( e development strategy. ) OR ( mine development strategy. ))) or ( _ development studies. )).
• Adding a wildcard symbol may retrieve word variants: (((("e development strategy.") OR ("mine development strategy."))) or ("_ development studies."))*.