Talvez deva tentar algumas variações de ortografia:
companies case » companies based (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies act (Expandir a Pesquisa)
early compared » early computed (Expandir a Pesquisa), daily compared (Expandir a Pesquisa), elderly compared (Expandir a Pesquisa)
how computers » held computers (Expandir a Pesquisa), from computers (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
oil companies » _ companies (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), phase non (Expandir a Pesquisa)
a early » a earley (Expandir a Pesquisa), a earl (Expandir a Pesquisa), via early (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (Expandir a Pesquisa)
a non » _ non (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: (( _ how computers a now ) or ((( _ oil companies case non ) or ( a early compared a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ how computers a now ) OR ((( _ oil companies case non ) OR ( a early compared a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ how computers a now ) or ((( _ oil companies case non ) or ( a early compared a non ))))*.