Talvez deva tentar algumas variações de ortografia:
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
compared case » compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa), comparing case (Expandir a Pesquisa)
fast computer » cost computer (Expandir a Pesquisa), best computer (Expandir a Pesquisa), fast computing (Expandir a Pesquisa)
cat compared » cast compared (Expandir a Pesquisa), cats compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa), unit computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
e fast » de fast (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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: (( _ cat compared case netw ) or ((( e fast computer cases new ) or ( j nat computer a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ cat compared case netw ) OR ((( e fast computer cases new ) OR ( j nat computer a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ cat compared case netw ) or ((( e fast computer cases new ) or ( j nat computer a new ))))*.