Talvez deva tentar algumas variações de ortografia:
absent active » absence active (Expandir a Pesquisa), absent native (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
active system » active systems (Expandir a Pesquisa), active systemic (Expandir a Pesquisa), reactive system (Expandir a Pesquisa)
system sdcs » system dcs (Expandir a Pesquisa), system sedds (Expandir a Pesquisa), system bddcs (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
17 absent » 1 absent (Expandir a Pesquisa), _ absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
17 bent » 1 bent (Expandir a Pesquisa)
a due » _ due (Expandir a Pesquisa), 2 due (Expandir a Pesquisa), i due (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 central nerve a due ) or ((( 17 bent nerve a due ) or ( 17 absent active system sdcs ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j central nerve a due ) OR ((( 17 bent nerve a due ) OR ( 17 absent active system sdcs )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j central nerve a due ) or ((( 17 bent nerve a due ) or ( 17 absent active system sdcs ))))*.