Talvez deva tentar algumas variações de ortografia:
only computer » onlays computer (Expandir a Pesquisa), any computer (Expandir a Pesquisa), online computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
nat compr » nat comm (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
anc netw » soc netw (Expandir a Pesquisa), nc net (Expandir a Pesquisa)
la compr » la compra (Expandir a Pesquisa), la compre (Expandir a Pesquisa), la combe (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j la » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa), j da (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 anc netw ) or ( _ only computer case netw ))) or ( j la compr can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat compr anc netw ) OR ( _ only computer case netw ))) OR ( j la compr can netw ))*.