Talvez deva tentar algumas variações de ortografia:
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
can femoral » a femoral (Expandir a Pesquisa), non femoral (Expandir a Pesquisa), canine femoral (Expandir a Pesquisa)
j current » 1 current (Expandir a Pesquisa), j currently (Expandir a Pesquisa), 19 current (Expandir a Pesquisa)
curve cat » curve can (Expandir a Pesquisa), curve data (Expandir a Pesquisa), curve cost (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cat diet » cat diets (Expandir a Pesquisa), fat diet (Expandir a Pesquisa), eat diet (Expandir a Pesquisa)
neck van » eck van (Expandir a Pesquisa), neck can (Expandir a Pesquisa), neck vein (Expandir a Pesquisa)
can diet » can direct (Expandir a Pesquisa), than diet (Expandir a Pesquisa)
j beta » j beth (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j current curve cat diet ) OR ( can femoral neck van dijk ))) OR ( j beta nerve can diet ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j current curve cat diet ) OR ( can femoral neck van dijk ))) OR ( j beta nerve can diet ))*.