Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
earl compared » early compared (Expandir a Pesquisa), meal compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa)
compared laws » compared law (Expandir a Pesquisa), compared less (Expandir a Pesquisa), compiled laws (Expandir a Pesquisa)
amp computer » capp computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), ip computer (Expandir a Pesquisa)
nacl compare » nacl compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa), penal compare (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
laws now » laws how (Expandir a Pesquisa), laws new (Expandir a Pesquisa), laws do (Expandir a Pesquisa)
c earl » c early (Expandir a Pesquisa), _ earl (Expandir a Pesquisa), h earl (Expandir a Pesquisa)
i amp » _ amp (Expandir a Pesquisa), 5 amp (Expandir a Pesquisa), r amp (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: (( i amp computer based now ) or ((( m nacl compare a new ) or ( c earl compared laws now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i amp computer based now ) OR ((( m nacl compare a new ) OR ( c earl compared laws now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i amp computer based now ) or ((( m nacl compare a new ) or ( c earl compared laws now ))))*.