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

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