Talvez deva tentar algumas variações de ortografia:
fourth degree » fourth decade (Expandir a Pesquisa)
delton nerve » deltoid nerve (Expandir a Pesquisa), dentin nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
degree cat » degree can (Expandir a Pesquisa), degree case (Expandir a Pesquisa), degree day (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (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), cult diets (Expandir a Pesquisa)
i fourth » ii fourth (Expandir a Pesquisa), _ fourth (Expandir a Pesquisa), a fourth (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a crest nerve cat dis ) OR ( i fourth degree cat diets ))) OR ( j delton nerve system dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a crest nerve cat dis ) or ( i fourth degree cat diets ))) or ( j delton nerve system dis ))*.