Talvez deva tentar algumas variações de ortografia:
computer cause » computer case (Expandir a Pesquisa), computer course (Expandir a Pesquisa), computer use (Expandir a Pesquisa)
claims cost » claims costs (Expandir a Pesquisa), claims court (Expandir a Pesquisa), claims cash (Expandir a Pesquisa)
natl clamp » tail clamp (Expandir a Pesquisa)
cost newts » post news (Expandir a Pesquisa), costa newton (Expandir a Pesquisa)
l computer » il computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
cause new » causes new (Expandir a Pesquisa), use new (Expandir a Pesquisa), cause non (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (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 natl clamp can near ) OR ( j _ claims cost newts ))) OR ( j l computer cause new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl clamp can near ) OR ( j _ claims cost newts ))) OR ( j l computer cause new ))*.