Talvez deva tentar algumas variações de ortografia:
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
lfa compared » alfa compared (Expandir a Pesquisa), vfa compared (Expandir a Pesquisa), a compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j lfa » _ lfa (Expandir a Pesquisa), 1 lfa (Expandir a Pesquisa), 3 lfa (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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: (((( _ nat comp can netw ) or ( j lfa compared a netw ))) or ( _ nat computers a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat comp can netw ) OR ( j lfa compared a netw ))) OR ( _ nat computers a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat comp can netw ) or ( j lfa compared a netw ))) or ( _ nat computers a new ))*.