Talvez deva tentar algumas variações de ortografia:
norway compared » forward compared (Expandir a Pesquisa), norway comparing (Expandir a Pesquisa), spray compared (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
arm clamp » from clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), aaa 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)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
c arm » _ arm (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( _ norway compared _ new ) OR ( c arm clamp a newts ))) OR ( j natl computer based now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ norway compared _ new ) OR ( c arm clamp a newts ))) OR ( j natl computer based now ))*.