Talvez deva tentar algumas variações de ortografia:
digital computer » digital computers (Expandir a Pesquisa), digital competence (Expandir a Pesquisa)
nails compared » fails compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), oils compared (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), phase non (Expandir a Pesquisa)
j nails » j nail (Expandir a Pesquisa), im nails (Expandir a Pesquisa), j naides (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( a digital computer _ new ) or ((( j nails compared case non ) or ( j nat compared law new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a digital computer _ new ) OR ((( j nails compared case non ) OR ( j nat compared law new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a digital computer _ new ) or ((( j nails compared case non ) or ( j nat compared law new ))))*.