Talvez deva tentar algumas variações de ortografia:
nayl clamp » tail clamp (Expandir a Pesquisa)
ivan ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
col ivan » cole ivan (Expandir a Pesquisa), carol ivan (Expandir a Pesquisa), collu ivan (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nay (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
et col » et com (Expandir a Pesquisa), et con (Expandir a Pesquisa), et colli (Expandir a Pesquisa)
j now » _ now (Expandir a Pesquisa), a now (Expandir a Pesquisa), i now (Expandir a Pesquisa)
j et » j e (Expandir a Pesquisa), j st (Expandir a Pesquisa)
nat » natl (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: (( _ nat chimp ((can now) OR (can ngoc)) ) OR ((( j nayl clamp j now ) OR ( j et col ivan ngoc ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( _ nat chimp ((can now) OR (can ngoc)) ) OR ((( j nayl clamp j now ) OR ( j et col ivan ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ nat chimp ((can now) OR (can ngoc)) ) OR ((( j nayl clamp j now ) OR ( j et col ivan ngoc ))))*.