Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
computers than » computers can (Expandir a Pesquisa), computers chap (Expandir a Pesquisa), computers within (Expandir a Pesquisa)
compared waste » compared case (Expandir a Pesquisa), composted waste (Expandir a Pesquisa), compared cases (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa)
nat company » salt company (Expandir a Pesquisa), a company (Expandir a Pesquisa), bad company (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
waste new » waste cdw (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
a held » a head (Expandir a Pesquisa)
j nacl » 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa), 2 nacl (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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: (( a held computers than non ) or ((( j nacl compared waste new ) or ( _ nat company law new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a held computers than non ) OR ((( j nacl compared waste new ) OR ( _ nat company law new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a held computers than non ) or ((( j nacl compared waste new ) or ( _ nat company law new ))))*.