Talvez deva tentar algumas variações de ortografia:
companies based » companies case (Expandir a Pesquisa), composites based (Expandir a Pesquisa), complexes based (Expandir a Pesquisa)
nacl companies » small companies (Expandir a Pesquisa), oil companies (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa)
cat computers » can computers (Expandir a Pesquisa), cat computer (Expandir a Pesquisa), what computers (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
based netw » based new (Expandir a Pesquisa), based net (Expandir a Pesquisa), based next (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
l comp » l comps (Expandir a Pesquisa), l como (Expandir a Pesquisa), l comper (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (((( _ nacl companies based netw ) or ( j l comp can netw ))) or ( _ cat computers a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nacl companies based netw ) OR ( j l comp can netw ))) OR ( _ cat computers a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nacl companies based netw ) or ( j l comp can netw ))) or ( _ cat computers a now ))*.