Talvez deva tentar algumas variações de ortografia:
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
curve cost » curve cross (Expandir a Pesquisa), curve ghost (Expandir a Pesquisa), curvo costa (Expandir a Pesquisa)
cena nerve » renal nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), retina nerve (Expandir a Pesquisa)
beta nerve » mental nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
cost dis » cost does (Expandir a Pesquisa), chest dis (Expandir a Pesquisa), cost aids (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
e cena » de cena (Expandir a Pesquisa), e cenas (Expandir a Pesquisa)
j beta » j beth (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 curve cost dis ) or ( e cena nerve case dis ))) or ( j beta nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j current curve cost dis ) OR ( e cena nerve case dis ))) OR ( j beta nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j current curve cost dis ) or ( e cena nerve case dis ))) or ( j beta nerve system dis ))*.