Talvez deva tentar algumas variações de ortografia:
cancer needle » cancer needs (Expandir a Pesquisa), cancer need (Expandir a Pesquisa), laser needle (Expandir a Pesquisa)
needle clean » needle alan (Expandir a Pesquisa), need clean (Expandir a Pesquisa), needle can (Expandir a Pesquisa)
reveal nerve » reveals nerve (Expandir a Pesquisa), reveal neural (Expandir a Pesquisa), reveal native (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
clean dis » clean air (Expandir a Pesquisa), clean de (Expandir a Pesquisa), clean dna (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
j reveal » 2j reveal (Expandir a Pesquisa), _ reveal (Expandir a Pesquisa), 1 reveal (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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 cancer needle clean dis ) or ( i cent nerve case does ))) or ( j reveal nerve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer needle clean dis ) OR ( i cent nerve case does ))) OR ( j reveal nerve system di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer needle clean dis ) or ( i cent nerve case does ))) or ( j reveal nerve system di ))*.