Talvez deva tentar algumas variações de ortografia:
computer prime » computer primer (Expandir a Pesquisa), computer crime (Expandir a Pesquisa), computer crimes (Expandir a Pesquisa)
means compared » beans compared (Expandir a Pesquisa), meals compared (Expandir a Pesquisa), mutans compared (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
nar compared » nmr compared (Expandir a Pesquisa), care compared (Expandir a Pesquisa), agar compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
c means » _ means (Expandir a Pesquisa), a means (Expandir a Pesquisa)
a none » a nona (Expandir a Pesquisa)
c nar » c nair (Expandir a Pesquisa), c narp (Expandir a Pesquisa), c nart (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: (( _ natl computer prime net ) or ((( c means compared can new ) or ( c nar compared a none ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ natl computer prime net ) OR ((( c means compared can new ) OR ( c nar compared a none )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ natl computer prime net ) or ((( c means compared can new ) or ( c nar compared a none ))))*.