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