Talvez deva tentar algumas variações de ortografia:
comparing cases » comparing causes (Expandir a Pesquisa), comparing case (Expandir a Pesquisa), comparing mases (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
adl comparing » al comparing (Expandir a Pesquisa), all comparing (Expandir a Pesquisa), ill comparing (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
3 nail » _ nail (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), a nos (Expandir a Pesquisa)
j adl » _ adl (Expandir a Pesquisa), i adl (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 nat computers _ now ) or ( 3 nail computer a now ))) or ( j adl comparing cases new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computers _ now ) OR ( 3 nail computer a now ))) OR ( j adl comparing cases new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers _ now ) or ( 3 nail computer a now ))) or ( j adl comparing cases new ))*.