Talvez deva tentar algumas variações de ortografia:
current devices » current debates (Expandir a Pesquisa), current evidences (Expandir a Pesquisa), current densities (Expandir a Pesquisa)
affect neural » affects neural (Expandir a Pesquisa), affect neuronal (Expandir a Pesquisa), affect natural (Expandir a Pesquisa)
absent serve » absent nerve (Expandir a Pesquisa), absent gene (Expandir a Pesquisa), absent self (Expandir a Pesquisa)
serve system » server system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), servo system (Expandir a Pesquisa)
devices cat » devices can (Expandir a Pesquisa), devices case (Expandir a Pesquisa), devices data (Expandir a Pesquisa)
neural cat » neural cost (Expandir a Pesquisa), neural cest (Expandir a Pesquisa), neural co (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
j affect » j affleck (Expandir a Pesquisa), j affe (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (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 current devices cat due ) or ((( j affect neural cat due ) or ( j absent serve system de ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j current devices cat due ) OR ((( j affect neural cat due ) OR ( j absent serve system de )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j current devices cat due ) or ((( j affect neural cat due ) or ( j absent serve system de ))))*.