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 nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
_ methanol » _ methane (Expandir a Pesquisa)
comes con » comes can (Expandir a Pesquisa), comunes con (Expandir a Pesquisa), comes down (Expandir a Pesquisa)
m comes » m coomes (Expandir a Pesquisa), m comps (Expandir a Pesquisa), m comas (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 comes con new ) or ((( _ methanol complex tran ngoc ) or ( 0.9 nacl semino carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comes con new ) OR ((( _ methanol complex tran ngoc ) OR ( 0.9 nacl semino carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comes con new ) or ((( _ methanol complex tran ngoc ) or ( 0.9 nacl semino carlos nara ))))*.