Talvez deva tentar algumas variações de ortografia:
using computers » using computer (Expandir a Pesquisa), using computed (Expandir a Pesquisa), using computerized (Expandir a Pesquisa)
computed within » completed within (Expandir a Pesquisa), computers within (Expandir a Pesquisa), conducted within (Expandir a Pesquisa)
computers can » computers _ (Expandir a Pesquisa)
within never » within severe (Expandir a Pesquisa), within novel (Expandir a Pesquisa), within seven (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
a computed » a computer (Expandir a Pesquisa), beam computed (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
j using » 6j using (Expandir a Pesquisa), sgj using (Expandir a Pesquisa), tmj using (Expandir a Pesquisa)
a neta » a neto (Expandir a Pesquisa), a nectar (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ computers can non ) OR ((( j a computed within never ) OR ( j using computers a neta ))))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ computers can non ) or ((( j a computed within never ) or ( j using computers a neta ))))*.