Talvez deva tentar algumas variações de ortografia:
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
nervous case » nervous cases (Expandir a Pesquisa), nervous age (Expandir a Pesquisa), nervous cancer (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
case disc » cause disc (Expandir a Pesquisa), age disc (Expandir a Pesquisa), case di (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
case dis » case di (Expandir a Pesquisa), case does (Expandir a Pesquisa), case dose (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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: (((( a center nerve case dis ) or ( i central nervous case disc ))) or ( j absent nerve cat dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a center nerve case dis ) OR ( i central nervous case disc ))) OR ( j absent nerve cat dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a center nerve case dis ) or ( i central nervous case disc ))) or ( j absent nerve cat dis ))*.