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 ana » comino ana (Expandir a Pesquisa), comin eva (Expandir a Pesquisa), comin marina (Expandir a Pesquisa)
ana ngoc » anh ngoc (Expandir a Pesquisa), ana ngc (Expandir a Pesquisa), dang ngoc (Expandir a Pesquisa)
can ngoc » tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
a never » _ never (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)
3 nacl » m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
i c.m » li c.m (Expandir a Pesquisa), i cam (Expandir a Pesquisa), i com (Expandir a Pesquisa)
c.m a » c.m da (Expandir a Pesquisa), c.m _ (Expandir a Pesquisa), f.m a (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 i c.m a never ) or ((( j paula comin ana ngoc ) or ( 3 nacl co ((can ngoc) OR (van ngoc)) ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j i c.m a never ) OR ((( j paula comin ana ngoc ) OR ( 3 nacl co ((can ngoc) OR (van ngoc)) )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j i c.m a never ) or ((( j paula comin ana ngoc ) or ( 3 nacl co ((can ngoc) OR (van ngoc)) ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j i c.m a never ) or ((( j paula comin ana ngoc ) or ( 3 nacl co ((can ngoc) OR (van ngoc)) ))))*.