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)
carlos jane » carlos jarne (Expandir a Pesquisa), carlon jane (Expandir a Pesquisa), carlos jaenes (Expandir a Pesquisa)
mar carlos » mario carlos (Expandir a Pesquisa), maria carlos (Expandir a Pesquisa), marco carlos (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
nacl mar » nacl nabr (Expandir a Pesquisa), nacl meat (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
comes c » comets c (Expandir a Pesquisa), comes _ (Expandir a Pesquisa), gomes c (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (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 comes c new ) or ((( 5 metal complex tran (ngoc OR ngo) ) or ( 3.5 nacl mar carlos jane ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes c new ) OR ((( 5 metal complex tran (ngoc OR ngo) ) OR ( 3.5 nacl mar carlos jane )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l comes c new ) or ((( 5 metal complex tran (ngoc OR ngo) ) or ( 3.5 nacl mar carlos jane ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes c new ) or ((( 5 metal complex tran (ngoc OR ngo) ) or ( 3.5 nacl mar carlos jane ))))*.