Talvez deva tentar algumas variações de ortografia:
met complex » yet complex (Expandir a Pesquisa), set complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
coil clamp » cell clamp (Expandir a Pesquisa), tail clamp (Expandir a Pesquisa)
comb canal » como canal (Expandir a Pesquisa), mb canal (Expandir a Pesquisa), colombo canal (Expandir a Pesquisa)
canal now » canal non (Expandir a Pesquisa), canada now (Expandir a Pesquisa), canal note (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
et comb » et com (Expandir a Pesquisa), et comp (Expandir a Pesquisa), et comme (Expandir a Pesquisa)
j coil » j coal (Expandir a Pesquisa), j cogill (Expandir a Pesquisa), j conill (Expandir a Pesquisa)
j met » j metz (Expandir a Pesquisa), c met (Expandir a Pesquisa), _ met (Expandir a Pesquisa)
c now » _ now (Expandir a Pesquisa), c new (Expandir a Pesquisa), a now (Expandir a Pesquisa)
c non » _ non (Expandir a Pesquisa), a non (Expandir a Pesquisa), i non (Expandir a Pesquisa)
j et » j e (Expandir a Pesquisa), j st (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 met complex ((c now) OR (c non)) ) or ((( j coil clamp a new ) or ( j et comb canal now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j met complex ((c now) OR (c non)) ) OR ((( j coil clamp a new ) OR ( j et comb canal now )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j met complex ((c now) OR (c non)) ) or ((( j coil clamp a new ) or ( j et comb canal now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j met complex ((c now) OR (c non)) ) or ((( j coil clamp a new ) or ( j et comb canal now ))))*.