Perhaps you should try some spelling variations:
eastern mongol » eastern mongolia (Expand Search), eastern congo (Expand Search), eastern bongo (Expand Search)
complem can » complex can (Expand Search), complete can (Expand Search), complexes can (Expand Search)
naci clamp » fanci clamp (Expand Search), acid clamp (Expand Search)
cancel non » cancer non (Expand Search), cancer none (Expand Search), cancers non (Expand Search)
e complem » e complex (Expand Search), e complemen (Expand Search), e completo (Expand Search)
c eastern » c easter (Expand Search), d eastern (Expand Search), ii eastern (Expand Search)
can now » can non (Expand Search), can new (Expand Search), can ngoc (Expand Search)
clamp j » clamp _ (Expand Search)
a naci » a nacl (Expand Search), a nacion (Expand Search)
j noh » _ noh (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j e complem can now ) or ((( a naci clamp j noh ) or ( c eastern mongol cancel non ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j e complem can now ) OR ((( a naci clamp j noh ) OR ( c eastern mongol cancel non )))).
• Adding a wildcard symbol may retrieve word variants: (( j e complem can now ) or ((( a naci clamp j noh ) or ( c eastern mongol cancel non ))))*.