Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
daily computer » daily compared (Expandir a Pesquisa), ray computer (Expandir a Pesquisa)
calu computer » call computer (Expandir a Pesquisa), scale computer (Expandir a Pesquisa), local computer (Expandir a Pesquisa)
classes now » classes new (Expandir a Pesquisa), classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
a clamp » c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
3 daily » c daily (Expandir a Pesquisa), i daily (Expandir a Pesquisa), p daily (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 calu computer a new ) or ( j a clamp can newts ))) or ( 3 daily computer classes now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j calu computer a new ) OR ( j a clamp can newts ))) OR ( 3 daily computer classes now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j calu computer a new ) or ( j a clamp can newts ))) or ( 3 daily computer classes now ))*.