Talvez deva tentar algumas variações de ortografia:
analog complex » analog computer (Expandir a Pesquisa), analyzing complex (Expandir a Pesquisa), analog computers (Expandir a Pesquisa)
complex three » complex than (Expandir a Pesquisa), complex tones (Expandir a Pesquisa)
colin note » con note (Expandir a Pesquisa), colin noyale (Expandir a Pesquisa), colin nogues (Expandir a Pesquisa)
three ngoc » three non (Expandir a Pesquisa), three nac (Expandir a Pesquisa), three neo (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
15 analog » 745 analog (Expandir a Pesquisa), c5 analogs (Expandir a Pesquisa), i analog (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (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)

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 colin note ) OR ((( 15 analog complex three ngoc ) OR ( 3.5 nacl kno carlos noa ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs colin note ) OR ((( 15 analog complex three ngoc ) OR ( 3.5 nacl kno carlos noa ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin note ) OR ((( 15 analog complex three ngoc ) OR ( 3.5 nacl kno carlos noa ))))*.