Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
coombes john » coombs john (Expandir a Pesquisa), coombes jason (Expandir a Pesquisa), forbes john (Expandir a Pesquisa)
nacl bacino » nel bacino (Expandir a Pesquisa)
complex ta » complex tap (Expandir a Pesquisa), complex tac (Expandir a Pesquisa), complex tal (Expandir a Pesquisa)
carlos naa » carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
l coombes » k coombes (Expandir a Pesquisa), l coomber (Expandir a Pesquisa), m coombes (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
ta ngoc » ha ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), thai ngoc (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 l coombes john new ) or ((( 5 methyl complex ta ngoc ) or ( 3 nacl bacino carlos naa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombes john new ) OR ((( 5 methyl complex ta ngoc ) OR ( 3 nacl bacino carlos naa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombes john new ) or ((( 5 methyl complex ta ngoc ) or ( 3 nacl bacino carlos naa ))))*.