Talvez deva tentar algumas variações de ortografia:
survey system » surgery system (Expandir a Pesquisa), prey system (Expandir a Pesquisa), grey system (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa)
cn diet » can diet (Expandir a Pesquisa), 6n diet (Expandir a Pesquisa), n diet (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: (((( i crest nerve cn diet ) or ( a current survey system dias ))) or ( _ absent nerve cyst due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i crest nerve cn diet ) OR ( a current survey system dias ))) OR ( _ absent nerve cyst due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i crest nerve cn diet ) or ( a current survey system dias ))) or ( _ absent nerve cyst due ))*.