Talvez deva tentar algumas variações de ortografia:
gas compared » has compared (Expandir a Pesquisa), days compared (Expandir a Pesquisa), areas compared (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
can net » dan net (Expandir a Pesquisa), can nt (Expandir a Pesquisa), clean net (Expandir a Pesquisa)
l compr » l comper (Expandir a Pesquisa), la compr (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
e gas » _ gas (Expandir a Pesquisa), a gas (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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: (((( e gas compared can net ) OR ( j l compr can new ))) OR ( _ nat computer a new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e gas compared can net ) or ( j l compr can new ))) or ( _ nat computer a new ))*.