Talvez deva tentar algumas variações de ortografia:
dental computer » dental computed (Expandir a Pesquisa), digital computer (Expandir a Pesquisa), annual computer (Expandir a Pesquisa)
united computer » animed computer (Expandir a Pesquisa), unit computer (Expandir a Pesquisa), animated computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
nacl compare » nacl compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa), penal compare (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
a united » a unified (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (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 dental computer case new ) or ( a united computer can now ))) or ( m nacl compare _ new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j dental computer case new ) OR ( a united computer can now ))) OR ( m nacl compare _ new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j dental computer case new ) or ( a united computer can now ))) or ( m nacl compare _ new ))*.