Talvez deva tentar algumas variações de ortografia:
cardiac computer » cardiac computed (Expandir a Pesquisa), cardiac computerized (Expandir a Pesquisa), cardiac center (Expandir a Pesquisa)
nat company » salt company (Expandir a Pesquisa), a company (Expandir a Pesquisa), bad company (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
j cardiac » a cardiac (Expandir a Pesquisa), 1 cardiac (Expandir a Pesquisa), 3 cardiac (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j nartl » j nart (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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: (((( j cardiac computer a now ) or ( j nat company law note ))) or ( j nartl cam can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cardiac computer a now ) OR ( j nat company law note ))) OR ( j nartl cam can netw ))*.