Talvez deva tentar algumas variações de ortografia:
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer age (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
cat computer » ct computer (Expandir a Pesquisa), cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa)
udx computer » _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
law non » law note (Expandir a Pesquisa), thaw non (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j cat » _ cat (Expandir a Pesquisa), a cat (Expandir a Pesquisa), j cao (Expandir a Pesquisa)
d udx » d dx (Expandir a Pesquisa), d udo (Expandir a Pesquisa)
a now » a nowe (Expandir a Pesquisa), a new (Expandir a Pesquisa), a 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: (((( j cat computer case now ) or ( d udx computer a now ))) or ( j natl compared law non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cat computer case now ) OR ( d udx computer a now ))) OR ( j natl compared law non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cat computer case now ) or ( d udx computer a now ))) or ( j natl compared law non ))*.