Talvez deva tentar algumas variações de ortografia:
deltas served » adults served (Expandir a Pesquisa), delta survey (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
served cat » derived cat (Expandir a Pesquisa), served a (Expandir a Pesquisa), served hot (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
j deltas » _ deltas (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j delmas (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
l bent » l benth (Expandir a Pesquisa), l bento (Expandir a Pesquisa), l bentz (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 ventral nerve system dis ) or ( j deltas served cat dis ))) or ( l bent nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a ventral nerve system dis ) OR ( j deltas served cat dis ))) OR ( l bent nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a ventral nerve system dis ) or ( j deltas served cat dis ))) or ( l bent nerve system dis ))*.