Talvez deva tentar algumas variações de ortografia:
dairy comparing » diary comparing (Expandir a Pesquisa), family comparing (Expandir a Pesquisa), city comparing (Expandir a Pesquisa)
nacl companies » small companies (Expandir a Pesquisa), oil companies (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa)
comparing thaw » comparing trawl (Expandir a Pesquisa), comparing them (Expandir a Pesquisa), comparing tag (Expandir a Pesquisa)
how computers » held computers (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
companies a » companies _ (Expandir a Pesquisa)
thaw non » law non (Expandir a Pesquisa)
a dairy » _ dairy (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (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: (( _ how computers _ now ) or ((( 3 nacl companies a now ) or ( a dairy comparing thaw non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ how computers _ now ) OR ((( 3 nacl companies a now ) OR ( a dairy comparing thaw non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ how computers _ now ) or ((( 3 nacl companies a now ) or ( a dairy comparing thaw non ))))*.