Talvez deva tentar algumas variações de ortografia:
nacl comet » nacl content (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
el comite » del comite (Expandir a Pesquisa)
comet van » comer vann (Expandir a Pesquisa), comet jean (Expandir a Pesquisa), comet a (Expandir a Pesquisa)
comite a » comite da (Expandir a Pesquisa), comite d (Expandir a Pesquisa), comite das (Expandir a Pesquisa)
chip can » hip can (Expandir a Pesquisa), chip a (Expandir a Pesquisa), chip ce (Expandir a Pesquisa)
van ngo » van ngoc (Expandir a Pesquisa), toan ngo (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
5 nar » 5 nor (Expandir a Pesquisa), 5 ntr (Expandir a Pesquisa), 5 nam (Expandir a Pesquisa)
_ nar » _ nad (Expandir a Pesquisa), _ nab (Expandir a Pesquisa), _ nac (Expandir a Pesquisa)
j el » j l (Expandir a Pesquisa), j e (Expandir a Pesquisa), j al (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 el comite a neto ) or ((( ((5 nar) OR (_ nar)) chip can new ) or ( 3 nacl comet van ngo ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j el comite a neto ) OR ((( ((5 nar) OR (_ nar)) chip can new ) OR ( 3 nacl comet van ngo ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j el comite a neto ) or ((( ((5 nar) OR (_ nar)) chip can new ) or ( 3 nacl comet van ngo ))))*".