Talvez deva tentar algumas variações de ortografia:
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
holt derived » host derived (Expandir a Pesquisa), holter derived (Expandir a Pesquisa), root derived (Expandir a Pesquisa)
derived cast » derived mast (Expandir a Pesquisa), derived cat (Expandir a Pesquisa), derived fast (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cat diets » fat diets (Expandir a Pesquisa), salt diets (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
cast dis » cast des (Expandir a Pesquisa), cast die (Expandir a Pesquisa), chest dis (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
j holt » j holst (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: (((( j center nerve cat diets ) OR ( j holt derived cast dis ))) OR ( j mental nerve cat diets ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j center nerve cat diets ) OR ( j holt derived cast dis ))) OR ( j mental nerve cat diets ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nerve cat diets ) OR ( j holt derived cast dis ))) OR ( j mental nerve cat diets ))*.