Talvez deva tentar algumas variações de ortografia:
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
el computer » il computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa)
combe has » pombe has (Expandir a Pesquisa), combe a (Expandir a Pesquisa), lobe has (Expandir a Pesquisa)
has fever » hay fever (Expandir a Pesquisa), has never (Expandir a Pesquisa), has fewer (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
cases non » causes non (Expandir a Pesquisa), case non (Expandir a Pesquisa), cases new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
i combe » i come (Expandir a Pesquisa), _ combe (Expandir a Pesquisa), i combi (Expandir a Pesquisa)
j el » j l (Expandir a Pesquisa), j e (Expandir a Pesquisa), j al (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 i combe has fever ) OR ( j a claims can newts ))) OR ( j el computer cases non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j i combe has fever ) OR ( j a claims can newts ))) OR ( j el computer cases non ))*.