Perhaps you should try some spelling variations:
cana never » can never (Expand Search), ana neves (Expand Search), canada fever (Expand Search)
paula cota » paula costa (Expand Search), paula mota (Expand Search), paula couto (Expand Search)
cota juan » costa juan (Expand Search), cata juan (Expand Search), mota juan (Expand Search)
juan non » juan anon (Expand Search), juan nan (Expand Search), juan nin (Expand Search)
nacl co2 » nacl co (Expand Search)
j paula » j pakula (Expand Search), j panula (Expand Search), j paul (Expand Search)
co2 can » co2 dan (Expand Search), co2 case (Expand Search), co2 dans (Expand Search)
can non » dan non (Expand Search), than non (Expand Search)
li com » li c.m (Expand Search), li co2 (Expand Search), coli com (Expand Search)
a nacl » _ nacl (Expand Search), 3 nacl (Expand Search), m nacl (Expand Search)
j li » j l (Expand Search), j i (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 li com cana never ) or ((( j paula cota juan non ) or ( a nacl co2 can non ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j li com cana never ) OR ((( j paula cota juan non ) OR ( a nacl co2 can non )))).
• Adding a wildcard symbol may retrieve word variants: (( j li com cana never ) or ((( j paula cota juan non ) or ( a nacl co2 can non ))))*.