Perhaps you should try some spelling variations:
"child development centred working papers" » "child development centered working papers", "child development centres working papers", "child development center working papers", "child development controld working papers", "child development cased working papers", "child development cctd working papers", "child development gendered working papers", "child development centred banking papers", "child development centred working paper"
"child development centre working papers" » "child development control working papers", "child development case working papers", "child development cct working papers", "child development century working papers", "child development center working papers", "child development genre working papers", "child development centre working paper"

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