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)
claims may » claims made (Expandir a Pesquisa), claims a (Expandir a Pesquisa), claims can (Expandir a Pesquisa)
classes en » classes e (Expandir a Pesquisa), clases en (Expandir a Pesquisa), classes em (Expandir a Pesquisa)
may newts » may newly (Expandir a Pesquisa), may new (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
combe c » combe b (Expandir a Pesquisa)
c neier » c neiner (Expandir a Pesquisa), c nemer (Expandir a Pesquisa), c netzer (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 combe c neier ) or ( j _ claims may newts ))) or ( j dental computer classes en ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j la combe c neier ) OR ( j _ claims may newts ))) OR ( j dental computer classes en )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la combe c neier ) or ( j _ claims may newts ))) or ( j dental computer classes en ))*.