Talvez deva tentar algumas variações de ortografia:
ages comparing » age comparing (Expandir a Pesquisa), images comparing (Expandir a Pesquisa), agents comparing (Expandir a Pesquisa)
aids computers » minds computers (Expandir a Pesquisa), brains computers (Expandir a Pesquisa), radios computers (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparison case (Expandir a Pesquisa)
palsy compared » assay compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
_ palsy » c5 palsy (Expandir a Pesquisa)
j aids » mj aids (Expandir a Pesquisa), _ aids (Expandir a Pesquisa), a aids (Expandir a Pesquisa)
3 ages » _ ages (Expandir a Pesquisa), 4 ages (Expandir a Pesquisa), 6 ages (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 aids computers a non ) or ((( 3 ages comparing case now ) or ( _ palsy compared _ non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j aids computers a non ) OR ((( 3 ages comparing case now ) OR ( _ palsy compared _ non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j aids computers a non ) or ((( 3 ages comparing case now ) or ( _ palsy compared _ non ))))*.