Talvez deva tentar algumas variações de ortografia:
comuter based » computer based (Expandir a Pesquisa), counter based (Expandir a Pesquisa), router based (Expandir a Pesquisa)
nat comuter » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
compra has » compra das (Expandir a Pesquisa), compra mais (Expandir a Pesquisa), compra dos (Expandir a Pesquisa)
la compra » la comarca (Expandir a Pesquisa), de compra (Expandir a Pesquisa), la comida (Expandir a Pesquisa)
has never » have never (Expandir a Pesquisa), a never (Expandir a Pesquisa)
based new » based next (Expandir a Pesquisa), based near (Expandir a Pesquisa), based n (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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: (((( j nat comp can netw ) or ( j la compra has never ))) or ( j nat comuter based new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat comp can netw ) OR ( j la compra has never ))) OR ( j nat comuter based new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat comp can netw ) or ( j la compra has never ))) or ( j nat comuter based new ))*.