Talvez deva tentar algumas variações de ortografia:
a demethylase » α demethylase (Expandir a Pesquisa), _ demethylase (Expandir a Pesquisa), o demethylase (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
coles john » cole john (Expandir a Pesquisa), holmes john (Expandir a Pesquisa), coates john (Expandir a Pesquisa)
kno carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), pino carlos (Expandir a Pesquisa)
john neil » cohn neil (Expandir a Pesquisa), johnson neil (Expandir a Pesquisa)
than nga » thanh nga (Expandir a Pesquisa), tran nga (Expandir a Pesquisa), phan nga (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
l coles » l cole (Expandir a Pesquisa), l coley (Expandir a Pesquisa), l collet (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 coles john neil ) or ((( a demethylase complex than nga ) or ( 0.9 nacl kno carlos nora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coles john neil ) OR ((( a demethylase complex than nga ) OR ( 0.9 nacl kno carlos nora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coles john neil ) or ((( a demethylase complex than nga ) or ( 0.9 nacl kno carlos nora ))))*.