Talvez deva tentar algumas variações de ortografia:
dental computer » dental computed (Expandir a Pesquisa), digital computer (Expandir a Pesquisa), annual computer (Expandir a Pesquisa)
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
claims cost » claims costs (Expandir a Pesquisa), claims court (Expandir a Pesquisa), claims cash (Expandir a Pesquisa)
cost newly » most newly (Expandir a Pesquisa), copd newly (Expandir a Pesquisa), lose newly (Expandir a Pesquisa)
combe can » combe juan (Expandir a Pesquisa), combe jean (Expandir a Pesquisa), combe c (Expandir a Pesquisa)
can fever » can never (Expandir a Pesquisa), can fewer (Expandir a Pesquisa), can sever (Expandir a Pesquisa)
cases non » causes non (Expandir a Pesquisa), case non (Expandir a Pesquisa), cases new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
j la » j l (Expandir a Pesquisa), j da (Expandir a Pesquisa), j li (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": "(((( j la combe can fever ) OR ( j a claims cost newly ))) OR ( j dental computer cases non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la combe can fever ) OR ( j a claims cost newly ))) OR ( j dental computer cases non ))*.