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 cases » compared case (Expandir a Pesquisa), collared cases (Expandir a Pesquisa), compares bases (Expandir a Pesquisa)
fast computer » cost computer (Expandir a Pesquisa), best computer (Expandir a Pesquisa), fast computing (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
natl casr » natal case (Expandir a Pesquisa)
casr than » case than (Expandir a Pesquisa), cash than (Expandir a Pesquisa), cases than (Expandir a Pesquisa)
j fast » j faust (Expandir a Pesquisa), j fausto (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (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: (((( j fast computer cases new ) or ( j natl casr than non ))) or ( j nat compared cases new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j fast computer cases new ) OR ( j natl casr than non ))) OR ( j nat compared cases new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j fast computer cases new ) or ( j natl casr than non ))) or ( j nat compared cases new ))*.