Talvez deva tentar algumas variações de ortografia:
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
acido clamp » acid clamp (Expandir a Pesquisa), acid clamps (Expandir a Pesquisa)
nay chimp » baby chimp (Expandir a Pesquisa), nay chi (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can ngc » can ngoc (Expandir a Pesquisa), can ngs (Expandir a Pesquisa), can naci (Expandir a Pesquisa)
a acido » e acido (Expandir a Pesquisa), o acido (Expandir a Pesquisa), de acido (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (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), _ now (Expandir a Pesquisa)
_ nay » _ nayf (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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: (( 3 nacl compared can ngc ) OR ((( a acido clamp a now ) OR ( _ nay chimp can new ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( 3 nacl compared can ngc ) OR ((( a acido clamp a now ) OR ( _ nay chimp can new ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 3 nacl compared can ngc ) OR ((( a acido clamp a now ) OR ( _ nay chimp can new ))))*.