Talvez deva tentar algumas variações de ortografia:
ivan ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
com ivan » com ian (Expandir a Pesquisa), com ilana (Expandir a Pesquisa), com ivone (Expandir a Pesquisa)
ac camp » a camp (Expandir a Pesquisa), c camp (Expandir a Pesquisa), amp camp (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
clamp i » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa), clamp a (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa), 5 nail (Expandir a Pesquisa)
et com » et comb (Expandir a Pesquisa), et comp (Expandir a Pesquisa), et col (Expandir a Pesquisa)
i now » _ now (Expandir a Pesquisa), i non (Expandir a Pesquisa), i new (Expandir a Pesquisa)
j ac » j a (Expandir a Pesquisa), j c (Expandir a Pesquisa), j al (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 ac camp can now ) or ((( ((j nail) OR (a nail)) clamp i now ) or ( j et com ivan ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j ac camp can now ) OR ((( ((j nail) OR (a nail)) clamp i now ) OR ( j et com ivan ngoc )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j ac camp can now ) or ((( ((j nail) OR (a nail)) clamp i now ) or ( j et com ivan ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j ac camp can now ) or ((( ((j nail) OR (a nail)) clamp i now ) or ( j et com ivan ngoc ))))*.