Perhaps you should try some spelling variations:
"a development services." » "a development process."
"e development studies." » "e development strategies.", "e development strategy.", "e development policies.", "sme development studies.", "mine development studies.", "site development studies."
"child development series." » "child development agencies.", "child development strategies.", "child development strategy.", "world development series."

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