Talvez deva tentar algumas variações de ortografia:
cancer nurses » cancer nursing (Expandir a Pesquisa)
nurses based » nurse based (Expandir a Pesquisa), courses based (Expandir a Pesquisa), horses based (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
based dis » based disk (Expandir a Pesquisa), based disc (Expandir a Pesquisa), based ddis (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j cancer nurses based dis ) or ( i cent nerve cat due ))) or ( j mental nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer nurses based dis ) OR ( i cent nerve cat due ))) OR ( j mental nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nurses based dis ) or ( i cent nerve cat due ))) or ( j mental nerve cat due ))*.