Talvez deva tentar algumas variações de ortografia:
compared boron » coated boron (Expandir a Pesquisa), compared blood (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
nayl clamp » tail clamp (Expandir a Pesquisa)
boron ngo » boron nano (Expandir a Pesquisa)
gray carl » gay carl (Expandir a Pesquisa), gray clark (Expandir a Pesquisa), gray pearl (Expandir a Pesquisa)
carl can » carl case (Expandir a Pesquisa), carl cato (Expandir a Pesquisa), carl chen (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nay (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 boron ngo ) OR ((( j nayl clamp a now ) OR ( j gray carl can now ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nacl compared boron ngo ) OR ((( j nayl clamp a now ) OR ( j gray carl can now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nacl compared boron ngo ) OR ((( j nayl clamp a now ) OR ( j gray carl can now ))))*.