Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), medial complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
combs virus » com virus (Expandir a Pesquisa), como virus (Expandir a Pesquisa), common virus (Expandir a Pesquisa)
cano carlos » luciano carlos (Expandir a Pesquisa), casiano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa)
carlos juca » carlos juan (Expandir a Pesquisa), carlos julio (Expandir a Pesquisa)
virus new » virus nef (Expandir a Pesquisa), virus ns3 (Expandir a Pesquisa), virus ns1 (Expandir a Pesquisa)
nacl cano » nacl nano (Expandir a Pesquisa), nacl caso4 (Expandir a Pesquisa), nacl co (Expandir a Pesquisa)
tran ngo » tran ngoc (Expandir a Pesquisa), tran nga (Expandir a Pesquisa), tran nho (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
5 metil » 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 _ combs virus new ) or ((( 5 metil complex tran ngo ) or ( 3.5 nacl cano carlos juca ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs virus new ) OR ((( 5 metil complex tran ngo ) OR ( 3.5 nacl cano carlos juca )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs virus new ) or ((( 5 metil complex tran ngo ) or ( 3.5 nacl cano carlos juca ))))*.