Talvez deva tentar algumas variações de ortografia:
companies based » composites based (Expandir a Pesquisa), complexes based (Expandir a Pesquisa), company based (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
a companies » _ companies (Expandir a Pesquisa), tea companies (Expandir a Pesquisa), can companies (Expandir a Pesquisa)
a compared » data compared (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
copra can » copra c (Expandir a Pesquisa), copro con (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
la copra » la compra (Expandir a Pesquisa), la copa (Expandir a Pesquisa), la copia (Expandir a Pesquisa)
_ la » _ hla (Expandir a Pesquisa), a la (Expandir a Pesquisa), y la (Expandir a Pesquisa)
a a » a la (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 companies based now ) OR ( a a compared can netw ))) OR ( _ la copra can netw ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ a companies based now ) or ( a a compared can netw ))) or ( _ la copra can netw ))*.