Talvez deva tentar algumas variações de ortografia:
coated boron » coated iron (Expandir a Pesquisa), coated porous (Expandir a Pesquisa), based boron (Expandir a Pesquisa)
nacl coated » nacl loaded (Expandir a Pesquisa), pcl coated (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa)
boron ngoc » horn ngoc (Expandir a Pesquisa)
nancy crp » nancy cp (Expandir a Pesquisa), nancy comp (Expandir a Pesquisa), nancy caro (Expandir a Pesquisa)
j cofala » j coal (Expandir a Pesquisa), j coale (Expandir a Pesquisa), j cola (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
crp dan » crp can (Expandir a Pesquisa), crp land (Expandir a Pesquisa), crp mean (Expandir a Pesquisa)
dan non » dan ning (Expandir a Pesquisa)
b nacl » b nacela (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: (( b nacl coated boron ngoc ) or ((( j cofala clamp a now ) or ( j nancy crp dan non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( b nacl coated boron ngoc ) OR ((( j cofala clamp a now ) OR ( j nancy crp dan non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( b nacl coated boron ngoc ) or ((( j cofala clamp a now ) or ( j nancy crp dan non ))))*.