Talvez deva tentar algumas variações de ortografia:
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
daily computer » daily compared (Expandir a Pesquisa), ray computer (Expandir a Pesquisa)
natl camp » al camp (Expandir a Pesquisa)
cases now » cases new (Expandir a Pesquisa), cases non (Expandir a Pesquisa), case now (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
j daily » j daly (Expandir a Pesquisa), j daisy (Expandir a Pesquisa), j davila (Expandir a Pesquisa)
a newt » _ newt (Expandir a Pesquisa), a news (Expandir a Pesquisa), a neat (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": "(((( _ natl camp can new ) OR ( j a clamp a newt ))) OR ( j daily computer cases now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl camp can new ) OR ( j a clamp a newt ))) OR ( j daily computer cases now ))*.