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 based » computer aided (Expandir a Pesquisa)
nail compared » nails compared (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa), daily compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
claims a » claims _ (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j dent (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (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 nail compared can new ) OR ( j a claims a new ))) OR ( j dental computer based snow ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nail compared can new ) OR ( j a claims a new ))) OR ( j dental computer based snow ))*.