Talvez deva tentar algumas variações de ortografia:
delta computed » delta computer (Expandir a Pesquisa), aorta computed (Expandir a Pesquisa), dyna computed (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
computed case » computer case (Expandir a Pesquisa), compared case (Expandir a Pesquisa), computing case (Expandir a Pesquisa)
compared low » compared law (Expandir a Pesquisa), compare low (Expandir a Pesquisa), compare slow (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)
low near » flow near (Expandir a Pesquisa), low wear (Expandir a Pesquisa), low fear (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), phase non (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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 compared low near ) OR ( j _ clamp can newts ))) OR ( j delta computed case non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compared low near ) OR ( j _ clamp can newts ))) OR ( j delta computed case non ))*.