Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
la computer » lab computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), le computer (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa), nat comm (Expandir a Pesquisa)
canc netw » canc lett (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), a nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
_ la » _ a (Expandir a Pesquisa), a la (Expandir a Pesquisa), y la (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: (((( _ nat compr canc netw ) or ( _ la computer case netw ))) or ( j nat compared a netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat compr canc netw ) OR ( _ la computer case netw ))) OR ( j nat compared a netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat compr canc netw ) or ( _ la computer case netw ))) or ( j nat compared a netw ))*.