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 computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
nat company » salt company (Expandir a Pesquisa), a company (Expandir a Pesquisa), gas company (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
law netw » law new (Expandir a Pesquisa), law note (Expandir a Pesquisa), law need (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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 computer case netw ) OR ( j nat computer a newts ))) OR ( j nat company law netw ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat computer case netw ) OR ( j nat computer a newts ))) OR ( j nat company law netw ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computer case netw ) OR ( j nat computer a newts ))) OR ( j nat company law netw ))*.