Talvez deva tentar algumas variações de ortografia:
computer caused » computer based (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa)
time computer » ieee computer (Expandir a Pesquisa)
caused new » causes new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caused non (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
cap can » gap can (Expandir a Pesquisa), cap cap (Expandir a Pesquisa), cap con (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j time » j timo (Expandir a Pesquisa), j timmel (Expandir a Pesquisa), j timmer (Expandir a Pesquisa)
l cap » _ cap (Expandir a Pesquisa), a cap (Expandir a Pesquisa), 5 cap (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 l cap can near ) OR ( 1 a clamp can newts ))) OR ( j time computer caused new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l cap can near ) OR ( 1 a clamp can newts ))) OR ( j time computer caused new ))*.