Talvez deva tentar algumas variações de ortografia:
methane cobalt » ethane cobalt (Expandir a Pesquisa), methanol cobalt (Expandir a Pesquisa), methane coal (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
cobalt thien » cobalt thin (Expandir a Pesquisa), cobalt tin (Expandir a Pesquisa), cobalt trial (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
coombs ian » coombes ian (Expandir a Pesquisa), coombes brian (Expandir a Pesquisa), coombs wanda (Expandir a Pesquisa)
thien ngoc » tien ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa), tuyen 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)
ian new » iran new (Expandir a Pesquisa), can new (Expandir a Pesquisa), man new (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 ian new ) or ((( _ methane cobalt thien ngoc ) or ( 3.5 nacl semino carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m coombs ian new ) OR ((( _ methane cobalt thien ngoc ) OR ( 3.5 nacl semino carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m coombs ian new ) or ((( _ methane cobalt thien ngoc ) or ( 3.5 nacl semino carlos nara ))))*.