Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
daily compared » early compared (Expandir a Pesquisa), elderly compared (Expandir a Pesquisa)
del computer » dal computer (Expandir a Pesquisa), delta computer (Expandir a Pesquisa), model computer (Expandir a Pesquisa)
nat compare » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
based no2 » based non (Expandir a Pesquisa), based noc (Expandir a Pesquisa), based nod (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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: (( y del computer based no2 ) or ((( _ daily compared a now ) or ( _ nat compare a now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( y del computer based no2 ) OR ((( _ daily compared a now ) OR ( _ nat compare a now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( y del computer based no2 ) or ((( _ daily compared a now ) or ( _ nat compare a now ))))*.