Perhaps you should try some spelling variations:
"_ development studies." » "_ development series.", "_ development services.", "_ development strategies."
"a development studies." » "a development series.", "a development services.", "a development strategies.", "clean development studies.", "asian development studies.", "city development studies."
"mine development strategy." » "sme development strategy.", "asian development strategy.", "trade development strategy."

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

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