Talvez deva tentar algumas variações de ortografia:
crespo nerve » crest nerve (Expandir a Pesquisa), crespo hervas (Expandir a Pesquisa), crespo servan (Expandir a Pesquisa)
dentin nerve » dental nerve (Expandir a Pesquisa), dentin derived (Expandir a Pesquisa), dental nerves (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa)
j crespo » a crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa), c crespo (Expandir a Pesquisa)
i crespo » a crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa), c crespo (Expandir a Pesquisa)
j dentin » j dennis (Expandir a Pesquisa), j delton (Expandir a Pesquisa), j denis (Expandir a Pesquisa)
can die » can diet (Expandir a Pesquisa), van die (Expandir a Pesquisa), aan die (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 crespo nerve can die ) OR ( i crespo nerve a dis ))) OR ( j dentin nerve system dcs ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j crespo nerve can die ) OR ( i crespo nerve a dis ))) OR ( j dentin nerve system dcs ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j crespo nerve can die ) OR ( i crespo nerve a dis ))) OR ( j dentin nerve system dcs ))*.