Talvez deva tentar algumas variações de ortografia:
direct peroral » direct oral (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), current service (Expandir a Pesquisa)
peroral cause » cerebral cause (Expandir a Pesquisa), central cause (Expandir a Pesquisa), peroral route (Expandir a Pesquisa)
cause does » causes does (Expandir a Pesquisa), cause des (Expandir a Pesquisa), pause does (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
nerve lat » nerve lead (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve 3t (Expandir a Pesquisa)
de direct » dye direct (Expandir a Pesquisa), de diret (Expandir a Pesquisa), e direct (Expandir a Pesquisa)
lat due » cat due (Expandir a Pesquisa), rat due (Expandir a Pesquisa), mat due (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 current nerve lat due ) or ( de direct peroral cause does ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j current nerve lat due ) OR ( de direct peroral cause does ))*.