Talvez deva tentar algumas variações de ortografia:
methanol cobalt » methane cobalt (Expandir a Pesquisa), ethane cobalt (Expandir a Pesquisa), methanol complex (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
cobalt tran » cobalt trial (Expandir a Pesquisa), cobalt thin (Expandir a Pesquisa), cobalt tin (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
o methanol » _ methanol (Expandir a Pesquisa), a methanol (Expandir a Pesquisa), ii methanol (Expandir a Pesquisa)
colin new » coli new (Expandir a Pesquisa), colic new (Expandir a Pesquisa), colon new (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa)
ngoc » ngo (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 colin new ) or ((( o methanol cobalt tran ngoc ) or ( 0.9 nacl semino carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs colin new ) OR ((( o methanol cobalt tran ngoc ) OR ( 0.9 nacl semino carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs colin new ) or ((( o methanol cobalt tran ngoc ) or ( 0.9 nacl semino carlos nara ))))*.