Talvez deva tentar algumas variações de ortografia:
nacl comet » nacl content (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
comet can » comes can (Expandir a Pesquisa), comment can (Expandir a Pesquisa), comet jean (Expandir a Pesquisa)
comet van » comer vann (Expandir a Pesquisa), comet jean (Expandir a Pesquisa), comet a (Expandir a Pesquisa)
al comet » al comer (Expandir a Pesquisa), al comment (Expandir a Pesquisa), al comite (Expandir a Pesquisa)
can neto » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can near (Expandir a Pesquisa)
nab camp » gaba camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), day camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
van ngo » van ngoc (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
_ nab » _ nad (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.

• Se retirar as aspas poderá fazer uma pesquisa mais abragente: (( j al comet can neto ) or ((( _ nab camp can new ) or ( 3 nacl comet van ngo ))))*.