Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
compared case » compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa), comparing case (Expandir a Pesquisa)
nat compared » rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
apl computer » maple computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
narr clamp » arm clamp (Expandir a Pesquisa)
based next » based nested (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nasr (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
_ apl » _ apc (Expandir a Pesquisa), _ app (Expandir a Pesquisa), _ apo (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compared case now ) OR ( j narr clamp ar netw ))) OR ( _ apl computer based next ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compared case now ) or ( j narr clamp ar netw ))) or ( _ apl computer based next ))*.