Talvez deva tentar algumas variações de ortografia:
feature computer » features computer (Expandir a Pesquisa), features computers (Expandir a Pesquisa), features computed (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
a feature » _ feature (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), phase non (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
nat amp » mat amp (Expandir a Pesquisa), fat amp (Expandir a Pesquisa), rat amp (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (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: (((( a feature computer case now ) or ( j natl compared case non ))) or ( j nat amp can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a feature computer case now ) OR ( j natl compared case non ))) OR ( j nat amp can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a feature computer case now ) or ( j natl compared case non ))) or ( j nat amp can netw ))*.