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)
carlos mora » carlos morales (Expandir a Pesquisa), carlos moreira (Expandir a Pesquisa), carlos moreno (Expandir a Pesquisa)
o methanol » _ methanol (Expandir a Pesquisa), a methanol (Expandir a Pesquisa), one methanol (Expandir a Pesquisa)
trial ngoc » trinh ngoc (Expandir a Pesquisa), trial nic (Expandir a Pesquisa), trial noa (Expandir a Pesquisa)
colin nee » colin anne (Expandir a Pesquisa), colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (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 nee ) or ((( o methanol cobalt trial ngoc ) or ( 3 nacl semino carlos mora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs colin nee ) OR ((( o methanol cobalt trial ngoc ) OR ( 3 nacl semino carlos mora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs colin nee ) or ((( o methanol cobalt trial ngoc ) or ( 3 nacl semino carlos mora ))))*.