Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
fails compared » nails compared (Expandir a Pesquisa), oils compared (Expandir a Pesquisa), coils compared (Expandir a Pesquisa)
ray computer » ray computed (Expandir a Pesquisa), uy computer (Expandir a Pesquisa)
nat company » salt company (Expandir a Pesquisa), a company (Expandir a Pesquisa), gas company (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
j fails » _ fails (Expandir a Pesquisa), 1 fails (Expandir a Pesquisa), 2 fails (Expandir a Pesquisa)
a ray » x ray (Expandir a Pesquisa), a rat (Expandir a Pesquisa), _ ray (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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 ray computer based snow ) OR ((( j fails compared a new ) OR ( j nat company law non ))))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a ray computer based snow ) or ((( j fails compared a new ) or ( j nat company law non ))))*.