Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
naga compared » data compared (Expandir a Pesquisa), yoga compared (Expandir a Pesquisa), aa compared (Expandir a Pesquisa)
compared laws » compared law (Expandir a Pesquisa), compared less (Expandir a Pesquisa), compiled laws (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
laws do » laws d (Expandir a Pesquisa), laws how (Expandir a Pesquisa)
i held » ii held (Expandir a Pesquisa), i heldr (Expandir a Pesquisa), i help (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
_ naga » _ nagoya (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: (( i held computers can new ) or ((( 3 nacl compared can new ) or ( _ naga compared laws do ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i held computers can new ) OR ((( 3 nacl compared can new ) OR ( _ naga compared laws do )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i held computers can new ) or ((( 3 nacl compared can new ) or ( _ naga compared laws do ))))*.