Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
appl computer » apple computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), capp computer (Expandir a Pesquisa)
cat compared » cast compared (Expandir a Pesquisa), cats compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
arm clamp » from clamp (Expandir a Pesquisa), ap clamp (Expandir a Pesquisa), dam clamp (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
j appl » j appel (Expandir a Pesquisa), _ appl (Expandir a Pesquisa)
j cat » _ cat (Expandir a Pesquisa), a cat (Expandir a Pesquisa), j cao (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
j arm » _ arm (Expandir a Pesquisa), c arm (Expandir a Pesquisa), o arm (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cat compared a non ) OR ( j arm clamp a neto ))) OR ( j appl computer based now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cat compared a non ) or ( j arm clamp a neto ))) or ( j appl computer based now ))*.