Talvez deva tentar algumas variações de ortografia:
absent during » present during (Expandir a Pesquisa)
during system » curing system (Expandir a Pesquisa), during systemic (Expandir a Pesquisa), curing systems (Expandir a Pesquisa)
bento nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
j bento » j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa), j benson (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 cyst due ) or ((( j bento nerve cyst due ) or ( _ absent during system dcs ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a cent nerve cyst due ) OR ((( j bento nerve cyst due ) OR ( _ absent during system dcs )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a cent nerve cyst due ) or ((( j bento nerve cyst due ) or ( _ absent during system dcs ))))*.