Talvez deva tentar algumas variações de ortografia:
crespo servan » crespo hervas (Expandir a Pesquisa), crespo sara (Expandir a Pesquisa), crespo adrian (Expandir a Pesquisa)
create nerve » greater nerve (Expandir a Pesquisa), treated nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
servan aat » servan kati (Expandir a Pesquisa), servan la (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
c crespo » g crespo (Expandir a Pesquisa), a crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa)
i create » i created (Expandir a Pesquisa), _ create (Expandir a Pesquisa), i creatine (Expandir a Pesquisa)
aat dis » rat disc (Expandir a Pesquisa), laat die (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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: (((( c crespo servan aat dis ) or ( i create nerve a dis ))) or ( j bent nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( c crespo servan aat dis ) OR ( i create nerve a dis ))) OR ( j bent nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( c crespo servan aat dis ) or ( i create nerve a dis ))) or ( j bent nerve system dis ))*.