Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
age compared » care compared (Expandir a Pesquisa), damage compared (Expandir a Pesquisa), agents compared (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
narr clamp » arm clamp (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
law netw » law new (Expandir a Pesquisa), law note (Expandir a Pesquisa), law need (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j vhdl » _ vhdl (Expandir a Pesquisa), a vhdl (Expandir a Pesquisa)
j age » j ager (Expandir a Pesquisa), _ age (Expandir a Pesquisa), l age (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j age compared law netw ) OR ( l narr clamp a netw ))) OR ( j vhdl computer based snow ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j age compared law netw ) OR ( l narr clamp a netw ))) OR ( j vhdl computer based snow ))*.