Talvez deva tentar algumas variações de ortografia:
recurrence curve » recurrence cure (Expandir a Pesquisa), recurrence free (Expandir a Pesquisa), recurrence case (Expandir a Pesquisa)
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
j recurrence » _ recurrence (Expandir a Pesquisa), a recurrence (Expandir a Pesquisa), c recurrence (Expandir a Pesquisa)
curve system » curve systems (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), cave system (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
curve cyst » curve cost (Expandir a Pesquisa), nerve cyst (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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: (((( j recurrence curve cyst dis ) or ( 2 current curve system dias ))) or ( j bent nerve a dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j recurrence curve cyst dis ) OR ( 2 current curve system dias ))) OR ( j bent nerve a dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j recurrence curve cyst dis ) or ( 2 current curve system dias ))) or ( j bent nerve a dis ))*.