Talvez deva tentar algumas variações de ortografia:
recurrent curve » recurrence curve (Expandir a Pesquisa), recurrent nerve (Expandir a Pesquisa), recurrent caries (Expandir a Pesquisa)
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
a recurrent » _ recurrent (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
face dis » face das (Expandir a Pesquisa), face dos (Expandir a Pesquisa), face aids (Expandir a Pesquisa)
curve a » curve _ (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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: (((( 2 current curve face dis ) or ( a recurrent curve a dis ))) or ( j benet nerve case does ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 2 current curve face dis ) OR ( a recurrent curve a dis ))) OR ( j benet nerve case does )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 2 current curve face dis ) or ( a recurrent curve a dis ))) or ( j benet nerve case does ))*.