Talvez deva tentar algumas variações de ortografia:
death camp » death cap (Expandir a Pesquisa), death case (Expandir a Pesquisa), death can (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
congo la » congo a (Expandir a Pesquisa), songo la (Expandir a Pesquisa), bongo la (Expandir a Pesquisa)
j death » j deitch (Expandir a Pesquisa), j denoth (Expandir a Pesquisa)
d congo » rd congo (Expandir a Pesquisa), d cong (Expandir a Pesquisa), r.d congo (Expandir a Pesquisa)
la ngoc » lam ngoc (Expandir a Pesquisa), le ngoc (Expandir a Pesquisa), ha ngoc (Expandir a Pesquisa)
ar now » ar nos (Expandir a Pesquisa), ar nog (Expandir a Pesquisa), care now (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (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 death camp can ngoc ) OR ((( j dna clamp ar now ) OR ( j d congo la ngoc ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j death camp can ngoc ) OR ((( j dna clamp ar now ) OR ( j d congo la ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j death camp can ngoc ) OR ((( j dna clamp ar now ) OR ( j d congo la ngoc ))))*.