Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex thi » complex thin (Expandir a Pesquisa), complex third (Expandir a Pesquisa), complex than (Expandir a Pesquisa)
smet carlos » smet charles (Expandir a Pesquisa), laet carlos (Expandir a Pesquisa), st carlos (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
combs icus » combs locus (Expandir a Pesquisa)
nacl smet » nacl diet (Expandir a Pesquisa), nacl salt (Expandir a Pesquisa), nacl meat (Expandir a Pesquisa)
icus new » virus new (Expandir a Pesquisa), locus new (Expandir a Pesquisa), focus new (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 combs icus new ) OR ((( 5 metal complex thi ngoc ) OR ( 3.5 nacl smet carlos jara ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs icus new ) OR ((( 5 metal complex thi ngoc ) OR ( 3.5 nacl smet carlos jara ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs icus new ) OR ((( 5 metal complex thi ngoc ) OR ( 3.5 nacl smet carlos jara ))))*.