Talvez deva tentar algumas variações de ortografia:
compared boron » coated boron (Expandir a Pesquisa), combined boron (Expandir a Pesquisa), compared blood (Expandir a Pesquisa)
nay compared » day compared (Expandir a Pesquisa), ray compared (Expandir a Pesquisa), way compared (Expandir a Pesquisa)
nay clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
boron a » boron _ (Expandir a Pesquisa), boron b (Expandir a Pesquisa), boron d (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa)
y comp » y compas (Expandir a Pesquisa), y compra (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (Expandir a Pesquisa)
j now » _ now (Expandir a Pesquisa), a now (Expandir a Pesquisa), i 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 nay compared boron a ) or ((( j nay clamp j now ) or ( j y comp ((can now) OR (can ngoc)) ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nay compared boron a ) OR ((( j nay clamp j now ) OR ( j y comp ((can now) OR (can ngoc)) )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nay compared boron a ) or ((( j nay clamp j now ) or ( j y comp ((can now) OR (can ngoc)) ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nay compared boron a ) or ((( j nay clamp j now ) or ( j y comp ((can now) OR (can ngoc)) ))))*.