Talvez deva tentar algumas variações de ortografia:
companies case » companies based (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies act (Expandir a Pesquisa)
nat companies » meat companies (Expandir a Pesquisa), can companies (Expandir a Pesquisa), law companies (Expandir a Pesquisa)
nart compared » art compared (Expandir a Pesquisa), wart compared (Expandir a Pesquisa), haart compared (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
j nart » _ nart (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
1 nat » 1 nat1 (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), 1 na1 (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: (((( e nat companies case netw ) or ( j nart compared _ netw ))) or ( 1 nat computer can new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat companies case netw ) OR ( j nart compared _ netw ))) OR ( 1 nat computer can new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat companies case netw ) or ( j nart compared _ netw ))) or ( 1 nat computer can new ))*.