Talvez deva tentar algumas variações de ortografia:
natl computers » small computers (Expandir a Pesquisa), units computers (Expandir a Pesquisa), panel computers (Expandir a Pesquisa)
nac computer » ugc computer (Expandir a Pesquisa), c computer (Expandir a Pesquisa), cnc computer (Expandir a Pesquisa)
nay compared » day compared (Expandir a Pesquisa), stay compared (Expandir a Pesquisa), only compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
computer i » computer im (Expandir a Pesquisa), computer _ (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
i nowe » i note (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
a nac » a nao (Expandir a Pesquisa), _ nac (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (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 natl computers a now ) or ( a nac computer i nowe ))) or ( j nay compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl computers a now ) OR ( a nac computer i nowe ))) OR ( j nay compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl computers a now ) or ( a nac computer i nowe ))) or ( j nay compared a now ))*.