Talvez deva tentar algumas variações de ortografia:
serrano carlos » sorzano carlos (Expandir a Pesquisa)
methane cobalt » ethane cobalt (Expandir a Pesquisa), methanol cobalt (Expandir a Pesquisa), methane coal (Expandir a Pesquisa)
nacl serrano » nadal serrano (Expandir a Pesquisa), a.l serrano (Expandir a Pesquisa), sael serrano (Expandir a Pesquisa)
carlos mora » carlos morales (Expandir a Pesquisa), carlos moreira (Expandir a Pesquisa), carlos moreno (Expandir a Pesquisa)
colin need » coli need (Expandir a Pesquisa), colin reed (Expandir a Pesquisa), colon need (Expandir a Pesquisa)
trial ngoc » trinh ngoc (Expandir a Pesquisa), trial nic (Expandir a Pesquisa), trial noa (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (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 colin need ) or ((( _ methane cobalt trial ngoc ) or ( 3 nacl serrano carlos mora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs colin need ) OR ((( _ methane cobalt trial ngoc ) OR ( 3 nacl serrano carlos mora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs colin need ) or ((( _ methane cobalt trial ngoc ) or ( 3 nacl serrano carlos mora ))))*.