Talvez deva tentar algumas variações de ortografia:
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), absent native (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system des » system der (Expandir a Pesquisa), system design (Expandir a Pesquisa), system delays (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a centre (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 cent nerve system des ) or ( a center nerve system de ))) or ( j absent nerve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cent nerve system des ) OR ( a center nerve system de ))) OR ( j absent nerve cyst dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cent nerve system des ) or ( a center nerve system de ))) or ( j absent nerve cyst dis ))*.