Talvez deva tentar algumas variações de ortografia:
code canada » code canadian (Expandir a Pesquisa), de canada (Expandir a Pesquisa), care canada (Expandir a Pesquisa)
canada now » canada new (Expandir a Pesquisa), canada nos (Expandir a Pesquisa), canada na (Expandir a Pesquisa)
nar clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
led code » red code (Expandir a Pesquisa), led model (Expandir a Pesquisa), land code (Expandir a Pesquisa)
clamp i » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa), clamp a (Expandir a Pesquisa)
j narr » j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j nasr (Expandir a Pesquisa)
amp am » amp amp (Expandir a Pesquisa), camp am (Expandir a Pesquisa), amp al (Expandir a Pesquisa)
am new » atm new (Expandir a Pesquisa), gam new (Expandir a Pesquisa), ham new (Expandir a Pesquisa)
i none » i note (Expandir a Pesquisa), i nowe (Expandir a Pesquisa), i nong (Expandir a Pesquisa)
j nar » j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j nasr (Expandir a Pesquisa)
j led » j ledo (Expandir a Pesquisa), j lee (Expandir a Pesquisa), _ led (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 narr) OR (l narr)) amp am new ) or ((( j nar clamp i none ) or ( j led code canada now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ((j narr) OR (l narr)) amp am new ) OR ((( j nar clamp i none ) OR ( j led code canada now )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( ((j narr) OR (l narr)) amp am new ) or ((( j nar clamp i none ) or ( j led code canada now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ((j narr) OR (l narr)) amp am new ) or ((( j nar clamp i none ) or ( j led code canada now ))))*.