Talvez deva tentar algumas variações de ortografia:
computer caries » computer crimes (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer courses (Expandir a Pesquisa)
palm computer » cam computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa), atm computer (Expandir a Pesquisa)
claims cash » claims rasch (Expandir a Pesquisa), claims can (Expandir a Pesquisa), claims cost (Expandir a Pesquisa)
cash newts » can newts (Expandir a Pesquisa)
caries non » caries con (Expandir a Pesquisa), varies non (Expandir a Pesquisa), carious non (Expandir a Pesquisa)
combe can » pombe can (Expandir a Pesquisa), combe juan (Expandir a Pesquisa), combe jean (Expandir a Pesquisa)
can never » than never (Expandir a Pesquisa), a never (Expandir a Pesquisa), has never (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j palm » j palma (Expandir a Pesquisa), j palmi (Expandir a Pesquisa), j palmer (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 never ) OR ( j a claims cash newts ))) OR ( j palm computer caries non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la combe can never ) OR ( j a claims cash newts ))) OR ( j palm computer caries non ))*.