Perhaps you should try some spelling variations:
"a development services." » "a development agencies.", "a development process.", "a development africa.", "clean development services.", "asian development services.", "city development services."
"e development studies." » "e development series.", "e development strategies.", "e development strategy.", "sme development studies.", "mine development studies.", "site development studies."
"_ development studies." » "_ development series.", "_ development strategies.", "_ 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 studies.") or ("a development services."))) or ("_ development studies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("e development studies.") OR ("a development services."))) OR ("_ development studies.")).
• Removing quotes may allow a broader search: (((( e development studies. ) or ( a development services. ))) or ( _ development studies. )).
• Adding a wildcard symbol may retrieve word variants: (((("e development studies.") or ("a development services."))) or ("_ development studies."))*.