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