Talvez deva tentar algumas variações de ortografia:
analog complex » analog computer (Expandir a Pesquisa), along complex (Expandir a Pesquisa), analyzing complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
_ analog » _ anal (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (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 combs c new ) or ((( _ analog complex tran (ngoc OR ngo) ) or ( 3 nacl kno carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs c new ) OR ((( _ analog complex tran (ngoc OR ngo) ) OR ( 3 nacl kno carlos nara ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs c new ) or ((( _ analog complex tran (ngoc OR ngo) ) or ( 3 nacl kno carlos nara ))))*".