Talvez deva tentar algumas variações de ortografia:
nacl comet » nacl content (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
comer can » comer dan (Expandir a Pesquisa), comes can (Expandir a Pesquisa), omer can (Expandir a Pesquisa)
al comer » all comer (Expandir a Pesquisa), el comer (Expandir a Pesquisa), del comer (Expandir a Pesquisa)
can neto » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can new (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), amp can (Expandir a Pesquisa), comp can (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
comet a » comet _ (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
5 nar » _ nar (Expandir a Pesquisa), 5 nor (Expandir a Pesquisa), 5 ntr (Expandir a Pesquisa)
a ngo » ha ngo (Expandir a Pesquisa), a go (Expandir a Pesquisa), a nao (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 al comer can neto ) or ((( 5 nar ((camp can) OR (camp ca)) new ) or ( 3 nacl comet a ngo ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j al comer can neto ) OR ((( 5 nar ((camp can) OR (camp ca)) new ) OR ( 3 nacl comet a ngo ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j al comer can neto ) or ((( 5 nar ((camp can) OR (camp ca)) new ) or ( 3 nacl comet a ngo ))))*".