Talvez deva tentar algumas variações de ortografia:
computers than » computers can (Expandir a Pesquisa), computers chap (Expandir a Pesquisa), computers within (Expandir a Pesquisa)
can computers » can computer (Expandir a Pesquisa), than computers (Expandir a Pesquisa), can computed (Expandir a Pesquisa)
narr compared » nmr compared (Expandir a Pesquisa), laser compared (Expandir a Pesquisa), labor compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
compr dan » comer dan (Expandir a Pesquisa), compra das (Expandir a Pesquisa), compra da (Expandir a Pesquisa)
j narrl » j narro (Expandir a Pesquisa)
dan net » dan neal (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa)
j can » j cano (Expandir a Pesquisa), j cant (Expandir a Pesquisa), _ can (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 narrl compr dan net ) OR ( j narr compared can new ))) OR ( j can computers than non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j narrl compr dan net ) OR ( j narr compared can new ))) OR ( j can computers than non ))*.