Talvez deva tentar algumas variações de ortografia:
current serve » current nerve (Expandir a Pesquisa), current service (Expandir a Pesquisa), current reserve (Expandir a Pesquisa)
detect neural » detect natural (Expandir a Pesquisa), direct neural (Expandir a Pesquisa), affect neural (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)
neural cat » neural cest (Expandir a Pesquisa), neural cost (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)
serve cat » nerve cat (Expandir a Pesquisa), serve a (Expandir a Pesquisa), service cats (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
j detect » je detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa), 2 detect (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 serve cat due ) or ((( j detect neural cat due ) or ( j absent serve system de ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j current serve cat due ) OR ((( j detect neural cat due ) OR ( j absent serve system de )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j current serve cat due ) or ((( j detect neural cat due ) or ( j absent serve system de ))))*.