Talvez deva tentar algumas variações de ortografia:
companies cause » companies case (Expandir a Pesquisa), companies use (Expandir a Pesquisa), companies accused (Expandir a Pesquisa)
gas companies » based companies (Expandir a Pesquisa)
cause new » causes new (Expandir a Pesquisa), use new (Expandir a Pesquisa), cause non (Expandir a Pesquisa)
coles can » coles jan (Expandir a Pesquisa), holes can (Expandir a Pesquisa), cycles can (Expandir a Pesquisa)
nata amp » ara amp (Expandir a Pesquisa), na amp (Expandir a Pesquisa), akta amp (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
l coles » l cole (Expandir a Pesquisa), l coley (Expandir a Pesquisa), l collet (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
_ nata » _ natal (Expandir a Pesquisa), _ nato (Expandir a Pesquisa), _ nat2 (Expandir a Pesquisa)
e gas » _ gas (Expandir a Pesquisa), a gas (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 gas companies cause new ) or ( _ nata amp can netw ))) or ( _ l coles can non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e gas companies cause new ) OR ( _ nata amp can netw ))) OR ( _ l coles can non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e gas companies cause new ) or ( _ nata amp can netw ))) or ( _ l coles can non ))*.