Talvez deva tentar algumas variações de ortografia:
methanol complex » methods complex (Expandir a Pesquisa), ethanol compared (Expandir a Pesquisa), methanol cobalt (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos nava » carlos navarro (Expandir a Pesquisa), carlos eslava (Expandir a Pesquisa), carlos zavala (Expandir a Pesquisa)
a methanol » _ methanol (Expandir a Pesquisa), ii methanol (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (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)
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 con new ) or ((( a methanol complex tran ngoc ) or ( 0.9 nacl semino carlos nava ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs con new ) OR ((( a methanol complex tran ngoc ) OR ( 0.9 nacl semino carlos nava )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs con new ) or ((( a methanol complex tran ngoc ) or ( 0.9 nacl semino carlos nava ))))*.