Talvez deva tentar algumas variações de ortografia:
daily compared » elderly compared (Expandir a Pesquisa)
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
computers aid » computer aid (Expandir a Pesquisa), computers a (Expandir a Pesquisa), computer aids (Expandir a Pesquisa)
nacl compared » al compared (Expandir a Pesquisa), panel compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
aid nowe » aid noise (Expandir a Pesquisa), aid lower (Expandir a Pesquisa), aid power (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
a daily » _ daily (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 nacl (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: (( _ held computers aid nowe ) or ((( 3 nacl compared case now ) or ( a daily compared a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ held computers aid nowe ) OR ((( 3 nacl compared case now ) OR ( a daily compared a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ held computers aid nowe ) or ((( 3 nacl compared case now ) or ( a daily compared a non ))))*.