Perhaps you should try some spelling variations:
"e development policies." » "e development policy.", "e development projects.", "sme development policies.", "site development policies.", "trade development policies."
"mine development studies." » "mine development series.", "mine development services.", "mine development strategies.", "sme development studies.", "trade development studies.", "business development studies.", "minsme development studies.", "minsite development studies.", "mintrade development studies."
"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: (((("mine development studies.") or ("e development strategy."))) or ("e development policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mine development studies.") OR ("e development strategy."))) OR ("e development policies.")).
• Removing quotes may allow a broader search: (((( mine development studies. ) or ( e development strategy. ))) or ( e development policies. )).
• Adding a wildcard symbol may retrieve word variants: (((("mine development studies.") or ("e development strategy."))) or ("e development policies."))*.