Talvez deva tentar algumas variações de ortografia:
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current surveys (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
curve cyst » curve cost (Expandir a Pesquisa), nerve cyst (Expandir a Pesquisa)
j current » 2 current (Expandir a Pesquisa), 1 current (Expandir a Pesquisa), j currently (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa), j denham (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (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: (((( a cent nerve system dis ) or ( j current curve cyst dis ))) or ( j dental nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cent nerve system dis ) OR ( j current curve cyst dis ))) OR ( j dental nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cent nerve system dis ) or ( j current curve cyst dis ))) or ( j dental nerve system dis ))*.