Talvez deva tentar algumas variações de ortografia:
compared boron » coated boron (Expandir a Pesquisa), combined boron (Expandir a Pesquisa), compared blood (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa)
tail clamp » tail clip (Expandir a Pesquisa), coil clamp (Expandir a Pesquisa)
boron nga » boron anna (Expandir a Pesquisa), barron nga (Expandir a Pesquisa), boron a (Expandir a Pesquisa)
gram mass » grain mass (Expandir a Pesquisa), beam mass (Expandir a Pesquisa), gram lars (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
mass du » mass due (Expandir a Pesquisa), masse du (Expandir a Pesquisa), mass do (Expandir a Pesquisa)
j nacl » 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa), 2 nacl (Expandir a Pesquisa)
j tail » _ tail (Expandir a Pesquisa), a tail (Expandir a Pesquisa), 3 tail (Expandir a Pesquisa)
j gram » j gray (Expandir a Pesquisa), j gran (Expandir a Pesquisa), j graf (Expandir a Pesquisa)
du non » du nan (Expandir a Pesquisa), ou non (Expandir a Pesquisa), du nom (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 nga ) or ((( j tail clamp a now ) or ( j gram mass du non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nacl compared boron nga ) OR ((( j tail clamp a now ) OR ( j gram mass du non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nacl compared boron nga ) or ((( j tail clamp a now ) or ( j gram mass du non ))))*.