Perhaps you should try some spelling variations:
"based development contents working papers" » "based development contexts working papers", "based development context working papers", "based development concepts working papers", "based development content working papers", "based development comments working papers", "based development contents working paper"
"oecd development control working papers" » "oecd development context working papers", "oecd development concept working papers", "oecd development concepts working papers", "child development control working papers", "oriented development control working papers", "oecd development content working papers", "oecd development control working paper"
"based development control working papers" » "based development context working papers", "based development concept working papers", "based development concepts working papers", "based development content working papers", "based development control working paper"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("oecd development control working papers") OR ((("based development control working papers") OR ("based development contents working papers")))).
• Removing quotes may allow a broader search: (( oecd development control working papers ) or ((( based development control working papers ) or ( based development contents working papers )))).
• Adding a wildcard symbol may retrieve word variants: (("oecd development control working papers") or ((("based development control working papers") or ("based development contents working papers"))))*.