Perhaps you should try some spelling variations:
"_ development services." » "_ development agencies.", "_ development process.", "_ development africa."
"a development studies." » "a development series.", "a development strategies.", "a development strategy.", "clean development studies.", "asian development studies.", "city development studies."
"urban development studies." » "urban development series.", "urban development strategies.", "urban development strategy.", "human development studies."

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