Talvez deva tentar algumas variações de ortografia:
first compared » arrest compared (Expandir a Pesquisa), first comparing (Expandir a Pesquisa), first completed (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
compr than » cpr than (Expandir a Pesquisa), complex than (Expandir a Pesquisa), company than (Expandir a Pesquisa)
based next » based nested (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa), nat comm (Expandir a Pesquisa)
1 first » 19 first (Expandir a Pesquisa), 2 first (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (Expandir a Pesquisa)
a net » a new (Expandir a Pesquisa), _ net (Expandir a Pesquisa), u net (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 compr than non ) or ( j nat computer based next ))) or ( 1 first compared a net ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr than non ) OR ( j nat computer based next ))) OR ( 1 first compared a net )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr than non ) or ( j nat computer based next ))) or ( 1 first compared a net ))*.