Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
cao computer » carlo computer (Expandir a Pesquisa), cogo computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
l computers » _ computers (Expandir a Pesquisa), 4 computers (Expandir a Pesquisa), 3 computers (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
l compared » ml compared (Expandir a Pesquisa), 5l compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j cao » _ cao (Expandir a Pesquisa), y cao (Expandir a Pesquisa), o cao (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j l computers a netw ) OR ( j l compared law note ))) OR ( j cao computer case new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l computers a netw ) OR ( j l compared law note ))) OR ( j cao computer case new ))*.