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)
mario carlos » rio carlos (Expandir a Pesquisa), julio carlos (Expandir a Pesquisa), rubio carlos (Expandir a Pesquisa)
combs virus » com virus (Expandir a Pesquisa), como virus (Expandir a Pesquisa), common virus (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
virus new » virus nef (Expandir a Pesquisa), virus ns3 (Expandir a Pesquisa), virus ns1 (Expandir a Pesquisa)
tran ngo » tran ngoc (Expandir a Pesquisa), tran nga (Expandir a Pesquisa), tran nho (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
5 metal » 5 methyl (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 e combs virus new ) or ((( 5 metal complex tran ngo ) or ( 3 nacl mario carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs virus new ) OR ((( 5 metal complex tran ngo ) OR ( 3 nacl mario carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs virus new ) or ((( 5 metal complex tran ngo ) or ( 3 nacl mario carlos jara ))))*.