Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
unit computer » units computers (Expandir a Pesquisa), tunis computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
based netw » based new (Expandir a Pesquisa), based net (Expandir a Pesquisa), based next (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j unit » j unio (Expandir a Pesquisa), b unit (Expandir a Pesquisa)
j nacl » m nacl (Expandir a Pesquisa), b nacl (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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 unit computer based netw ) or ( j nacl compared law note ))) or ( _ nat chimp can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j unit computer based netw ) OR ( j nacl compared law note ))) OR ( _ nat chimp can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j unit computer based netw ) or ( j nacl compared law note ))) or ( _ nat chimp can netw ))*.