Talvez deva tentar algumas variações de ortografia:
central neurons » central nervous (Expandir a Pesquisa), cortical neurons (Expandir a Pesquisa)
neurons van » neurons can (Expandir a Pesquisa), neurons vary (Expandir a Pesquisa), neurons cans (Expandir a Pesquisa)
metal nerve » mental nerve (Expandir a Pesquisa), fetal nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
benet drive » gene drive (Expandir a Pesquisa), genes drive (Expandir a Pesquisa), belt drive (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
van dis » van die (Expandir a Pesquisa), van diest (Expandir a Pesquisa), van dijk (Expandir a Pesquisa)
i metal » li metal (Expandir a Pesquisa), ii metal (Expandir a Pesquisa), i meta (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (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 central neurons van dis ) or ( i metal nerve case dis ))) or ( j benet drive system das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central neurons van dis ) OR ( i metal nerve case dis ))) OR ( j benet drive system das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central neurons van dis ) or ( i metal nerve case dis ))) or ( j benet drive system das ))*.