Talvez deva tentar algumas variações de ortografia:
crespo hervas » crespo rivas (Expandir a Pesquisa)
cancer nerve » cancer serves (Expandir a Pesquisa), cancer needle (Expandir a Pesquisa), cancer nested (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
hervas case » hernias case (Expandir a Pesquisa), hervas jose (Expandir a Pesquisa), herbs case (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
j crespo » g crespo (Expandir a Pesquisa), a crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), 1 absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa), cyst dna (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 nerve system dis ) or ( j crespo hervas case due ))) or ( j absent nerve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer nerve system dis ) OR ( j crespo hervas case due ))) OR ( j absent nerve cyst dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nerve system dis ) or ( j crespo hervas case due ))) or ( j absent nerve cyst dis ))*.