Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
ages comparing » age comparing (Expandir a Pesquisa), images comparing (Expandir a Pesquisa), agents comparing (Expandir a Pesquisa)
daily compared » early compared (Expandir a Pesquisa), elderly compared (Expandir a Pesquisa)
a computers » a computer's (Expandir a Pesquisa), a computer (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
vi daily » i daily (Expandir a Pesquisa), ii daily (Expandir a Pesquisa), bmi daily (Expandir a Pesquisa)
3 ages » 4 ages (Expandir a Pesquisa), 6 ages (Expandir a Pesquisa), a ages (Expandir a Pesquisa)
a non » _ non (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: (( j a computers a non ) or ((( 3 ages comparing case now ) or ( vi daily compared a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j a computers a non ) OR ((( 3 ages comparing case now ) OR ( vi daily compared a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j a computers a non ) or ((( 3 ages comparing case now ) or ( vi daily compared a non ))))*.