Talvez deva tentar algumas variações de ortografia:
paula comin » paula camilo (Expandir a Pesquisa), paula corona (Expandir a Pesquisa), paula camila (Expandir a Pesquisa)
comin dan » comins dan (Expandir a Pesquisa), coman dan (Expandir a Pesquisa), comida dan (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
dan ning » yan ning (Expandir a Pesquisa), han ning (Expandir a Pesquisa), tan ning (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
j paula » j pakula (Expandir a Pesquisa), j panula (Expandir a Pesquisa), j paul (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
co can » co con (Expandir a Pesquisa), co canal (Expandir a Pesquisa), co chain (Expandir a Pesquisa)
l c.m » l com (Expandir a Pesquisa), _ c.m (Expandir a Pesquisa), l c.h (Expandir a Pesquisa)
l cam » _ cam (Expandir a Pesquisa), n cam (Expandir a Pesquisa), a cam (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j ((l c.m) OR (l cam)) can near ) OR ((( j paula comin dan ning ) OR ( m nacl co can ngoc ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j ((l c.m) OR (l cam)) can near ) or ((( j paula comin dan ning ) or ( m nacl co can ngoc ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j ((l c.m) OR (l cam)) can near ) or ((( j paula comin dan ning ) or ( m nacl co can ngoc ))))*.