Talvez deva tentar algumas variações de ortografia:
segnali nerve » spinal nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
center serve » center servers (Expandir a Pesquisa), center service (Expandir a Pesquisa), center survey (Expandir a Pesquisa)
serve cause » nerve cause (Expandir a Pesquisa), nerve caused (Expandir a Pesquisa), serum cause (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), end nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa)
cause des » cause de (Expandir a Pesquisa), cause dna (Expandir a Pesquisa)
i segnali » i segni (Expandir a Pesquisa), i segami (Expandir a Pesquisa), i seguaci (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa)
case disc » cause disc (Expandir a Pesquisa), age disc (Expandir a Pesquisa), case di (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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 center serve cause des ) or ( i segnali nerve can dcs ))) or ( j bent nerve case disc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a center serve cause des ) OR ( i segnali nerve can dcs ))) OR ( j bent nerve case disc ))*.