Talvez deva tentar algumas variações de ortografia:
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
computer base » computer based (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer buses (Expandir a Pesquisa)
base near » based near (Expandir a Pesquisa), bases near (Expandir a Pesquisa), case near (Expandir a Pesquisa)
compr dan » comer dan (Expandir a Pesquisa), compra das (Expandir a Pesquisa), compra da (Expandir a Pesquisa)
natl amp » atl am (Expandir a Pesquisa), al amp (Expandir a Pesquisa), dall amp (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa), j natali (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: (((( _ natl computer base near ) or ( j natl amp can netw ))) or ( j natl compr dan non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ natl computer base near ) OR ( j natl amp can netw ))) OR ( j natl compr dan non ))*.