Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
ray computer » ray computed (Expandir a Pesquisa), uy computer (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa), nat comm (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
anc netw » soc netw (Expandir a Pesquisa), nc net (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
j ray » x ray (Expandir a Pesquisa), _ ray (Expandir a Pesquisa), w ray (Expandir a Pesquisa)
a ct » a c (Expandir a Pesquisa), _ ct (Expandir a Pesquisa), a co (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 nat compr anc netw ) or ( j ray computer case netw ))) or ( a ct compared case netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat compr anc netw ) OR ( j ray computer case netw ))) OR ( a ct compared case netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat compr anc netw ) or ( j ray computer case netw ))) or ( a ct compared case netw ))*.