Perhaps you should try some spelling variations:
"based development center working papers" » "based development centre working papers", "based development chapter working papers", "based development career working papers", "based development centred working papers", "based development century working papers", "based development inter working papers", "based development center working paper"
"oriented development center working papers" » "oriented development centre working papers", "oriented development chapter working papers", "oriented development career working papers", "oriented development centred working papers", "oriented development century working papers", "oriented development inter working papers", "oriented development center working paper"
"based development context working papers" » "based development content working papers", "based development context looking papers", "based development text working papers", "based development context working paper"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("based development center working papers") OR ("based development context working papers"))) OR ("oriented development center working papers")).
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