Talvez deva tentar algumas variações de ortografia:
methanol cobalt » methane cobalt (Expandir a Pesquisa), ethane cobalt (Expandir a Pesquisa), metal cobalt (Expandir a Pesquisa)
cobalt thin » cobalt trial (Expandir a Pesquisa), cobalt amine (Expandir a Pesquisa)
alio carlos » julio carlos (Expandir a Pesquisa), mario carlos (Expandir a Pesquisa), rio carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
_ methanol » _ methane (Expandir a Pesquisa)
thin ngoc » thien ngoc (Expandir a Pesquisa), thinh ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa)
nacl alio » nacl al2o3 (Expandir a Pesquisa), nacl acid (Expandir a Pesquisa), nacl alcl (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (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 m combs c new ) or ((( _ methanol cobalt thin ngoc ) or ( 3.5 nacl alio carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs c new ) OR ((( _ methanol cobalt thin ngoc ) OR ( 3.5 nacl alio carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs c new ) or ((( _ methanol cobalt thin ngoc ) or ( 3.5 nacl alio carlos nara ))))*.