Talvez deva tentar algumas variações de ortografia:
methanol cobalt » methane cobalt (Expandir a Pesquisa), ethane cobalt (Expandir a Pesquisa), methanol complex (Expandir a Pesquisa)
cobalt thin » cobalt trial (Expandir a Pesquisa)
alio carlos » julio carlos (Expandir a Pesquisa), mario carlos (Expandir a Pesquisa), zilio carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
a methanol » _ methanol (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs cody (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)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (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 m combs con new ) OR ((( a methanol cobalt thin ngoc ) OR ( 3.5 nacl alio carlos nara ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j m combs con new ) OR ((( a 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 con new ) OR ((( a methanol cobalt thin ngoc ) OR ( 3.5 nacl alio carlos nara ))))*.