Talvez deva tentar algumas variações de ortografia:
apl computers » apl computer (Expandir a Pesquisa), a computers (Expandir a Pesquisa), age computers (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
ml compared » gel compared (Expandir a Pesquisa), oil compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j apl » j appl (Expandir a Pesquisa), _ apl (Expandir a Pesquisa), c apl (Expandir a Pesquisa)
j ml » j m (Expandir a Pesquisa), j l (Expandir a Pesquisa), j al (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 apl computers a neto ) OR ( j natl compr can near ))) OR ( j ml compared can non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j apl computers a neto ) OR ( j natl compr can near ))) OR ( j ml compared can non ))*.