Talvez deva tentar algumas variações de ortografia:
signal complex » signaling complex (Expandir a Pesquisa), signal complexity (Expandir a Pesquisa), clonal complex (Expandir a Pesquisa)
carlos juca » carlos juan (Expandir a Pesquisa), carlos julio (Expandir a Pesquisa)
comes down » come down (Expandir a Pesquisa), goes down (Expandir a Pesquisa), comt down (Expandir a Pesquisa)
down notas » down normas (Expandir a Pesquisa), con notas (Expandir a Pesquisa), down nas (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
tones neo » stones new (Expandir a Pesquisa), genes neo (Expandir a Pesquisa), tones do (Expandir a Pesquisa)
5 signal » l5 signal (Expandir a Pesquisa), 1 signal (Expandir a Pesquisa), 150 signal (Expandir a Pesquisa)
7.2 nacl » 7.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (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 comes down notas ) or ((( 5 signal complex tones neo ) or ( 7.2 nacl kcl carlos juca ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes down notas ) OR ((( 5 signal complex tones neo ) OR ( 7.2 nacl kcl carlos juca )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes down notas ) or ((( 5 signal complex tones neo ) or ( 7.2 nacl kcl carlos juca ))))*.