Talvez deva tentar algumas variações de ortografia:
coated boron » coated iron (Expandir a Pesquisa), decorated boron (Expandir a Pesquisa), coated porous (Expandir a Pesquisa)
nacl coated » nacl loaded (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa), nacl adapted (Expandir a Pesquisa)
boron ngoc » horn ngoc (Expandir a Pesquisa)
nava clamp » aaa clamp (Expandir a Pesquisa)
chip cell » tip cell (Expandir a Pesquisa)
cell nest » cell test (Expandir a Pesquisa)
nay chip » nay chi (Expandir a Pesquisa), nay thi (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j nacl » b nacl (Expandir a Pesquisa), i nacl (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
j now » _ now (Expandir a Pesquisa), a now (Expandir a Pesquisa), i now (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nacl coated boron ngoc ) OR ((( j nava clamp j now ) OR ( j nay chip cell nest ))))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nacl coated boron ngoc ) or ((( j nava clamp j now ) or ( j nay chip cell nest ))))*.