Talvez deva tentar algumas variações de ortografia:
natali computers » dataflow computers (Expandir a Pesquisa), analog computers (Expandir a Pesquisa), small computers (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
j natali » j natalia (Expandir a Pesquisa), j nadal (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j rat » j rath (Expandir a Pesquisa), _ rat (Expandir a Pesquisa), a rat (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 natali computers can now ) or ( a nail computer based now ))) or ( j rat compared can new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natali computers can now ) OR ( a nail computer based now ))) OR ( j rat compared can new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natali computers can now ) or ( a nail computer based now ))) or ( j rat compared can new ))*.