Perhaps you should try some spelling variations:
"city development services." » "city development process.", "capacity development services.", "policy development services.", "community development services."
"_ development studies." » "_ development series.", "_ development strategies.", "_ development strategy."
"trade development africa." » "software 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: (("city development services.") or ((("_ development studies.") or ("trade development africa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("city development services.") OR ((("_ development studies.") OR ("trade development africa.")))).
• Removing quotes may allow a broader search: (( city development services. ) or ((( _ development studies. ) or ( trade development africa. )))).
• Adding a wildcard symbol may retrieve word variants: (("city development services.") or ((("_ development studies.") or ("trade development africa."))))*.