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

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