Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
art comparing » rct comparing (Expandir a Pesquisa), fat comparing (Expandir a Pesquisa), artery comparing (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
de camp » de campo (Expandir a Pesquisa), de cama (Expandir a Pesquisa), de campos (Expandir a Pesquisa)
j nacl » b nacl (Expandir a Pesquisa), i nacl (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
c art » _ art (Expandir a Pesquisa), c arm (Expandir a Pesquisa), l art (Expandir a Pesquisa)
_ de » _ e (Expandir a Pesquisa), _ d (Expandir a Pesquisa), e de (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 nacl compared a new ) or ( c art comparing case netw ))) or ( _ de camp can near ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nacl compared a new ) OR ( c art comparing case netw ))) OR ( _ de camp can near )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nacl compared a new ) or ( c art comparing case netw ))) or ( _ de camp can near ))*.