Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
fast computer » cost computer (Expandir a Pesquisa), best computer (Expandir a Pesquisa), fast computing (Expandir a Pesquisa)
adl compared » al compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa), hdl compared (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
classes non » classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa), classes en (Expandir a Pesquisa)
natl comp » al comp (Expandir a Pesquisa), natalia comp (Expandir a Pesquisa)
comp dan » comp can (Expandir a Pesquisa), comp da (Expandir a Pesquisa), comp das (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j fast » j faust (Expandir a Pesquisa), j fausto (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j adl » _ adl (Expandir a Pesquisa), i adl (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 fast computer classes non ) or ( j natl comp dan non ))) or ( j adl compared can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j fast computer classes non ) OR ( j natl comp dan non ))) OR ( j adl compared can now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j fast computer classes non ) or ( j natl comp dan non ))) or ( j adl compared can now ))*.