Talvez deva tentar algumas variações de ortografia:
deltoid nervous » deltoid nerve (Expandir a Pesquisa), deltoid versus (Expandir a Pesquisa)
current curve » current survey (Expandir a Pesquisa), current care (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)
curve cone » curve can (Expandir a Pesquisa), curve cost (Expandir a Pesquisa), curve change (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j deltoid » _ deltoid (Expandir a Pesquisa), a deltoid (Expandir a Pesquisa), j delton (Expandir a Pesquisa)
cone dis » cone disk (Expandir a Pesquisa), cone das (Expandir a Pesquisa), cone davis (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
i bent » i benth (Expandir a Pesquisa), i benet (Expandir a Pesquisa), i bento (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 current curve cone dis ) OR ( i bent nerve can dis ))) OR ( j deltoid nervous system dias ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( a current curve cone dis ) OR ( i bent nerve can dis ))) OR ( j deltoid nervous system dias ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a current curve cone dis ) OR ( i bent nerve can dis ))) OR ( j deltoid nervous system dias ))*.