Talvez deva tentar algumas variações de ortografia:
augment nerve » segment nerve (Expandir a Pesquisa), augment gene (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current service (Expandir a Pesquisa), current survey (Expandir a Pesquisa)
current wave » current when (Expandir a Pesquisa), current work (Expandir a Pesquisa), current w (Expandir a Pesquisa)
ac current » c current (Expandir a Pesquisa), dc current (Expandir a Pesquisa)
cat diets » fat diets (Expandir a Pesquisa), salt diets (Expandir a Pesquisa), cattle diets (Expandir a Pesquisa)
j augment » _ augment (Expandir a Pesquisa), 1 augment (Expandir a Pesquisa), 2 augment (Expandir a Pesquisa)
nerve cut » nerve cat (Expandir a Pesquisa), nerve cuff (Expandir a Pesquisa), nerve cyst (Expandir a Pesquisa)
wave cat » wave can (Expandir a Pesquisa), wave car (Expandir a Pesquisa), wave case (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
cut dis » cut disk (Expandir a Pesquisa), cut discs (Expandir a Pesquisa), cut dian (Expandir a Pesquisa)
a due » _ due (Expandir a Pesquisa), a dye (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: (((( ac current nerve a due ) or ( i current wave cat diets ))) or ( j augment nerve cut dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( ac current nerve a due ) OR ( i current wave cat diets ))) OR ( j augment nerve cut dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ac current nerve a due ) or ( i current wave cat diets ))) or ( j augment nerve cut dis ))*.