Talvez deva tentar algumas variações de ortografia:
methanol cobalt » methane cobalt (Expandir a Pesquisa), ethane cobalt (Expandir a Pesquisa), methanol complex (Expandir a Pesquisa)
emilio carlos » zilio carlos (Expandir a Pesquisa), julio carlos (Expandir a Pesquisa), alio carlos (Expandir a Pesquisa)
nacl emilio » raul emilio (Expandir a Pesquisa), paul emilio (Expandir a Pesquisa), maciel emilio (Expandir a Pesquisa)
carlos mora » carlos morales (Expandir a Pesquisa), carlos moreira (Expandir a Pesquisa), carlos moreno (Expandir a Pesquisa)
o methanol » a methanol (Expandir a Pesquisa), ii methanol (Expandir a Pesquisa), bis methanol (Expandir a Pesquisa)
trial ngoc » trinh ngoc (Expandir a Pesquisa), trial nic (Expandir a Pesquisa), trial noa (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs cody (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
con new » icon new (Expandir a Pesquisa), con nee (Expandir a Pesquisa), con net (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 _ combs con new ) OR ((( o methanol cobalt trial ngoc ) OR ( 3.5 nacl emilio carlos mora ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs con new ) OR ((( o methanol cobalt trial ngoc ) OR ( 3.5 nacl emilio carlos mora ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con new ) OR ((( o methanol cobalt trial ngoc ) OR ( 3.5 nacl emilio carlos mora ))))*.