Talvez deva tentar algumas variações de ortografia:
planella amp » planella laia (Expandir a Pesquisa), panella a (Expandir a Pesquisa), planella de (Expandir a Pesquisa)
j planella » j planells (Expandir a Pesquisa), j panella (Expandir a Pesquisa), p planellas (Expandir a Pesquisa)
rna near » dna near (Expandir a Pesquisa), rna neat1 (Expandir a Pesquisa), area near (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
nacl aq » nacl a (Expandir a Pesquisa), nacl nas (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
aq can » acq can (Expandir a Pesquisa), 5q can (Expandir a Pesquisa)
l com » l como (Expandir a Pesquisa), e com (Expandir a Pesquisa), _ com (Expandir a Pesquisa)
l con » y con (Expandir a Pesquisa), _ con (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 ((l com) OR (l con)) rna near ) or ((( j planella amp can ngoc ) or ( 3 nacl aq can ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j ((l com) OR (l con)) rna near ) OR ((( j planella amp can ngoc ) OR ( 3 nacl aq can ngoc )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j ((l com) OR (l con)) rna near ) or ((( j planella amp can ngoc ) or ( 3 nacl aq can ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j ((l com) OR (l con)) rna near ) or ((( j planella amp can ngoc ) or ( 3 nacl aq can ngoc ))))*.