Talvez deva tentar algumas variações de ortografia:
direct peroral » direct oral (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
peroral case » personal case (Expandir a Pesquisa), personal cases (Expandir a Pesquisa), cerebral case (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
cat diets » fat diets (Expandir a Pesquisa), salt diets (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
j direct » j director (Expandir a Pesquisa), nhj direct (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (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 crest nerve case due ) or ((( j dental nerve cat diets ) or ( j direct peroral case due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a crest nerve case due ) OR ((( j dental nerve cat diets ) OR ( j direct peroral case due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a crest nerve case due ) or ((( j dental nerve cat diets ) or ( j direct peroral case due ))))*.