Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
del computer » dal computer (Expandir a Pesquisa), delta computer (Expandir a Pesquisa), model computer (Expandir a Pesquisa)
classes non » classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa), classes en (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa), claims may (Expandir a Pesquisa)
combs can » combs jan (Expandir a Pesquisa), combs ca (Expandir a Pesquisa), combs dan (Expandir a Pesquisa)
can never » than never (Expandir a Pesquisa), a never (Expandir a Pesquisa), has never (Expandir a Pesquisa)
can newly » a newly (Expandir a Pesquisa), can new (Expandir a Pesquisa), men newly (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
j del » y del (Expandir a Pesquisa), m del (Expandir a Pesquisa), _ del (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j l combs can never ) or ( j a claims can newly ))) or ( j del computer classes non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j l combs can never ) OR ( j a claims can newly ))) OR ( j del computer classes non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l combs can never ) or ( j a claims can newly ))) or ( j del computer classes non ))*.