Talvez deva tentar algumas variações de ortografia:
direct neural » direct neuronal (Expandir a Pesquisa), direct peroral (Expandir a Pesquisa), direct oral (Expandir a Pesquisa)
neural case » neutral case (Expandir a Pesquisa), neural causes (Expandir a Pesquisa), neural phase (Expandir a Pesquisa)
benign base » benign cause (Expandir a Pesquisa), benign bone (Expandir a Pesquisa), benign bile (Expandir a Pesquisa)
nhj direct » nhej directed (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
base c » base co (Expandir a Pesquisa), base cc (Expandir a Pesquisa), base cd (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (Expandir a Pesquisa)
a dos » e dos (Expandir a Pesquisa), a dog (Expandir a Pesquisa)
a a » a la (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: (( nhj direct neural case does ) or ((( a benign base c dis ) or ( j benito a a dos ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( nhj direct neural case does ) OR ((( a benign base c dis ) OR ( j benito a a dos )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( nhj direct neural case does ) or ((( a benign base c dis ) or ( j benito a a dos ))))*.