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 case » mongolia case (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), cpt camp (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
ca new » ca net (Expandir a Pesquisa), aa new (Expandir a Pesquisa), cara new (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
j east » _ east (Expandir a Pesquisa), c east (Expandir a Pesquisa), a east (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 camp ca new ) or ((( ((a nacl) OR (3 nacl)) clamp j noh ) or ( j east mongol case now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nat camp ca new ) OR ((( ((a nacl) OR (3 nacl)) clamp j noh ) OR ( j east mongol case now )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nat camp ca new ) or ((( ((a nacl) OR (3 nacl)) clamp j noh ) or ( j east mongol case now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nat camp ca new ) or ((( ((a nacl) OR (3 nacl)) clamp j noh ) or ( j east mongol case now ))))*.