Talvez deva tentar algumas variações de ortografia:
compelling case » competing causes (Expandir a Pesquisa)
aids computers » minds computers (Expandir a Pesquisa), brains computers (Expandir a Pesquisa), radios computers (Expandir a Pesquisa)
palsy compared » assay compared (Expandir a Pesquisa)
a compelling » _ compelling (Expandir a Pesquisa), a competing (Expandir a Pesquisa), a coupling (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
a palsy » _ palsy (Expandir a Pesquisa), c5 palsy (Expandir a Pesquisa), vi palsy (Expandir a Pesquisa)
j aids » mj aids (Expandir a Pesquisa), _ aids (Expandir a Pesquisa), a aids (Expandir a Pesquisa)
a now » a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (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 now ) or ((( 3 a compelling case new ) or ( a palsy compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j aids computers a now ) OR ((( 3 a compelling case new ) OR ( a palsy compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j aids computers a now ) or ((( 3 a compelling case new ) or ( a palsy compared a new ))))*.