Talvez deva tentar algumas variações de ortografia:
elderly compared » elderly care (Expandir a Pesquisa)
aids computers » minds computers (Expandir a Pesquisa), brains computers (Expandir a Pesquisa), radios computers (Expandir a Pesquisa)
nacl compared » al compared (Expandir a Pesquisa), panel compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared thaw » compared law (Expandir a Pesquisa), compared three (Expandir a Pesquisa), comparing thaw (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
i elderly » _ elderly (Expandir a Pesquisa), a elderly (Expandir a Pesquisa), 2 elderly (Expandir a Pesquisa)
thaw non » law non (Expandir a Pesquisa), thaw zin (Expandir a Pesquisa)
j aids » mj aids (Expandir a Pesquisa), _ aids (Expandir a Pesquisa), a aids (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), m nacl (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 new ) or ((( j nacl compared can new ) or ( i elderly compared thaw non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j aids computers a new ) OR ((( j nacl compared can new ) OR ( i elderly compared thaw non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j aids computers a new ) or ((( j nacl compared can new ) or ( i elderly compared thaw non ))))*.