Talvez deva tentar algumas variações de ortografia:
norway compared » norway comparing (Expandir a Pesquisa), spray compared (Expandir a Pesquisa), norway comparison (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
clamp cum » clamp m (Expandir a Pesquisa), clamp can (Expandir a Pesquisa), clamp em (Expandir a Pesquisa)
a norway » _ norway (Expandir a Pesquisa), a norwalk (Expandir a Pesquisa)
cum netw » um neto (Expandir a Pesquisa), mum net (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
a nowe » a node (Expandir a Pesquisa), i nowe (Expandir a Pesquisa), ann nowe (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (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: (((( a norway compared a nowe ) OR ( j a clamp cum netw ))) OR ( j natl computer based non ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a norway compared a nowe ) or ( j a clamp cum netw ))) or ( j natl computer based non ))*.