Talvez deva tentar algumas variações de ortografia:
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
delta nerves » deltas served (Expandir a Pesquisa), delta waves (Expandir a Pesquisa), delta need (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
nerves free » nerve free (Expandir a Pesquisa), nerves from (Expandir a Pesquisa), nerves fate (Expandir a Pesquisa)
free diets » free diet (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
can diets » cane diets (Expandir a Pesquisa), can diet (Expandir a Pesquisa), corn diets (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), 2 center (Expandir a Pesquisa), 3 center (Expandir a Pesquisa)
a benign » _ benign (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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 center nerve can diets ) or ( j delta nerves free diets ))) or ( a benign nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j center nerve can diets ) OR ( j delta nerves free diets ))) OR ( a benign nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nerve can diets ) or ( j delta nerves free diets ))) or ( a benign nerve case dis ))*.