Talvez deva tentar algumas variações de ortografia:
ventral drive » central drive (Expandir a Pesquisa), central driver (Expandir a Pesquisa), neutral drives (Expandir a Pesquisa)
current herve » current nerve (Expandir a Pesquisa), current herpes (Expandir a Pesquisa), current curve (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
herve van » herve jean (Expandir a Pesquisa), herve a (Expandir a Pesquisa), herve v (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
case dti » case data (Expandir a Pesquisa), based dti (Expandir a Pesquisa), case due (Expandir a Pesquisa)
van dis » van die (Expandir a Pesquisa), van diest (Expandir a Pesquisa), van dijk (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 drive system dcs ) or ( i current herve van dis ))) or ( _ absent nerve case dti ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a ventral drive system dcs ) OR ( i current herve van dis ))) OR ( _ absent nerve case dti )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a ventral drive system dcs ) or ( i current herve van dis ))) or ( _ absent nerve case dti ))*.