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 trieu » cobalt trial (Expandir a Pesquisa), cobalt tris (Expandir a Pesquisa), cobalt traces (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
5 methanol » _ methanol (Expandir a Pesquisa), a methanol (Expandir a Pesquisa), o methanol (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
trieu ngo » trieu ngoa (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), tieu ngo (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 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 ((( 5 methanol cobalt trieu ngo ) OR ( 7.5 nacl kcl carlos nara ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs con new ) OR ((( 5 methanol cobalt trieu ngo ) OR ( 7.5 nacl kcl carlos nara ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con new ) OR ((( 5 methanol cobalt trieu ngo ) OR ( 7.5 nacl kcl carlos nara ))))*.