Talvez deva tentar algumas variações de ortografia:
digital computer » digital computers (Expandir a Pesquisa), digital competence (Expandir a Pesquisa)
nail comparing » trail comparing (Expandir a Pesquisa), al comparing (Expandir a Pesquisa), all comparing (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
ct compared » test compared (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa)
j ct » j c (Expandir a Pesquisa), j st (Expandir a Pesquisa), j et (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 a new ) or ((( j nail comparing case now ) or ( j ct compared law now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a digital computer a new ) OR ((( j nail comparing case now ) OR ( j ct compared law now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a digital computer a new ) or ((( j nail comparing case now ) or ( j ct compared law now ))))*.