Talvez deva tentar algumas variações de ortografia:
crespo nerve » crespo hervas (Expandir a Pesquisa), crespo servan (Expandir a Pesquisa), crespo noe (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
i crespo » a crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa), c crespo (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
j crest » _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa), 5 crest (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
cat did » coast did (Expandir a Pesquisa), what did (Expandir a Pesquisa), cat dead (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 crest nerve a dis ) or ( i crespo nerve cat did ))) or ( j mental nerve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j crest nerve a dis ) OR ( i crespo nerve cat did ))) OR ( j mental nerve system di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j crest nerve a dis ) or ( i crespo nerve cat did ))) or ( j mental nerve system di ))*.