Talvez deva tentar algumas variações de ortografia:
than computers » than computer (Expandir a Pesquisa), can computers (Expandir a Pesquisa), when computers (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
al compared » acl compared (Expandir a Pesquisa), ml compared (Expandir a Pesquisa), 5l compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), ac camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
j than » 6j than (Expandir a Pesquisa), j tham (Expandir a Pesquisa), j thad (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 camp can new ) or ( j al compared can new ))) or ( j than computers a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat camp can new ) OR ( j al compared can new ))) OR ( j than computers a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat camp can new ) or ( j al compared can new ))) or ( j than computers a new ))*.