Talvez deva tentar algumas variações de ortografia:
methyl complexes » metal complexes (Expandir a Pesquisa), metall complexes (Expandir a Pesquisa), methylase complexes (Expandir a Pesquisa)
complexes total » complexed total (Expandir a Pesquisa), complexes metal (Expandir a Pesquisa), complex total (Expandir a Pesquisa)
nabr carlos » najar carlos (Expandir a Pesquisa), nader carlos (Expandir a Pesquisa), jair carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
total ngoc » total non (Expandir a Pesquisa), total nos (Expandir a Pesquisa)
nacl nabr » nacl kbr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c neue » _ neue (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 e combs c neue ) or ((( 5 methyl complexes total ngoc ) or ( 7.5 nacl nabr carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs c neue ) OR ((( 5 methyl complexes total ngoc ) OR ( 7.5 nacl nabr carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs c neue ) or ((( 5 methyl complexes total ngoc ) or ( 7.5 nacl nabr carlos nara ))))*.