Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
dental computer » dental computed (Expandir a Pesquisa), digital computer (Expandir a Pesquisa), annual computer (Expandir a Pesquisa)
classes non » classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa), classes en (Expandir a Pesquisa)
comes than » comes hans (Expandir a Pesquisa), boves than (Expandir a Pesquisa), doses than (Expandir a Pesquisa)
than never » than ever (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
la comes » la comete (Expandir a Pesquisa), la combe (Expandir a Pesquisa), la coma (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
j la » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa), j da (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 la comes than never ) or ( j _ claims can newts ))) or ( j dental computer classes non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j la comes than never ) OR ( j _ claims can newts ))) OR ( j dental computer classes non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la comes than never ) or ( j _ claims can newts ))) or ( j dental computer classes non ))*.