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 thin » cobalt trial (Expandir a Pesquisa)
coombs con » coombs john (Expandir a Pesquisa), coombs c (Expandir a Pesquisa), coombs ian (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
thin ngoc » thien ngoc (Expandir a Pesquisa), thinh ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa)
m coombs » m coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 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 m coombs con new ) or ((( one methanol cobalt thin ngoc ) or ( 3.5 nacl semino carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m coombs con new ) OR ((( one methanol cobalt thin ngoc ) OR ( 3.5 nacl semino carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m coombs con new ) or ((( one methanol cobalt thin ngoc ) or ( 3.5 nacl semino carlos noa ))))*.