Perhaps you should try some spelling variations:
"_ development studies." » "_ development services.", "_ development strategies.", "_ development strategy."
"clean government agencies." » "clean government policies.", "can government agencies.", "open government agencies.", "urban government agencies."
"a development series." » "a development services.", "a development agencies.", "a development strategies."

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