Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
copy carlos » cony carlos (Expandir a Pesquisa), cury carlos (Expandir a Pesquisa), joly carlos (Expandir a Pesquisa)
carlos nine » carlos nino (Expandir a Pesquisa), carlos mine (Expandir a Pesquisa), carlos gine (Expandir a Pesquisa)
gomes coe » gomes cota (Expandir a Pesquisa), gomes c (Expandir a Pesquisa), gomes cid (Expandir a Pesquisa)
nacl copy » nacl co (Expandir a Pesquisa), nacl co2 (Expandir a Pesquisa)
coe neue » die neue (Expandir a Pesquisa)
l gomes » l gomez (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
ngoc » ngo (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 gomes coe neue ) or ((( 5 metal complex tran ngoc ) or ( _ nacl copy carlos nine ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l gomes coe neue ) OR ((( 5 metal complex tran ngoc ) OR ( _ nacl copy carlos nine )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l gomes coe neue ) or ((( 5 metal complex tran ngoc ) or ( _ nacl copy carlos nine ))))*.