Talvez deva tentar algumas variações de ortografia:
east mongol » east ongul (Expandir a Pesquisa), east congo (Expandir a Pesquisa), elso mongol (Expandir a Pesquisa)
mongol el » mongol belt (Expandir a Pesquisa), mongol era (Expandir a Pesquisa), mongol _ (Expandir a Pesquisa)
nat chip » pat chip (Expandir a Pesquisa), cast chip (Expandir a Pesquisa), chat chip (Expandir a Pesquisa)
chip can » hip can (Expandir a Pesquisa), chip a (Expandir a Pesquisa), chip ce (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa)
c east » _ east (Expandir a Pesquisa), c easter (Expandir a Pesquisa)
el now » el noa (Expandir a Pesquisa), el non (Expandir a Pesquisa), el nou (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j noh » _ noh (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 nat chip can non ) or ((( ((3 nacl) OR (a nacl)) clamp j noh ) or ( c east mongol el now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nat chip can non ) OR ((( ((3 nacl) OR (a nacl)) clamp j noh ) OR ( c east mongol el now ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nat chip can non ) or ((( ((3 nacl) OR (a nacl)) clamp j noh ) or ( c east mongol el now ))))*".