Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
maria carlos » mario carlos (Expandir a Pesquisa), garcia carlos (Expandir a Pesquisa), maria carlota (Expandir a Pesquisa)
combs icus » combs locus (Expandir a Pesquisa)
natl maria » natal maria (Expandir a Pesquisa), natale maria (Expandir a Pesquisa), natali maria (Expandir a Pesquisa)
icus new » virus new (Expandir a Pesquisa), locus new (Expandir a Pesquisa), focus new (Expandir a Pesquisa)
than ngo » thang ngo (Expandir a Pesquisa), thanh ngo (Expandir a Pesquisa), thuan ngo (Expandir a Pesquisa)
3.5 natl » 3.5 nacl (Expandir a Pesquisa), 7.5 nacl (Expandir a Pesquisa), 3.5 fat (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)

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 than ngo ) or ( 3.5 natl maria carlos julio ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs icus new ) OR ((( 5 metal complex than ngo ) OR ( 3.5 natl maria carlos julio )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs icus new ) or ((( 5 metal complex than ngo ) or ( 3.5 natl maria carlos julio ))))*.