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)
augment gene » augments gene (Expandir a Pesquisa), augment bone (Expandir a Pesquisa), augment cell (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)
_ augment » _ augmented (Expandir a Pesquisa)
gene case » gene cause (Expandir a Pesquisa), gene causes (Expandir a Pesquisa), gene caused (Expandir a Pesquisa)
case dti » case data (Expandir a Pesquisa), based dti (Expandir a Pesquisa), case due (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: (((( a ventral drive system dcs ) or ( i current herve a dis ))) or ( _ augment gene case dti ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a ventral drive system dcs ) OR ( i current herve a dis ))) OR ( _ augment gene case dti )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a ventral drive system dcs ) or ( i current herve a dis ))) or ( _ augment gene case dti ))*.