Talvez deva tentar algumas variações de ortografia:
complex trial » complex atrial (Expandir a Pesquisa), complex tibial (Expandir a Pesquisa), complex tropical (Expandir a Pesquisa)
set complex » set1 complex (Expandir a Pesquisa), yet complex (Expandir a Pesquisa), onset complex (Expandir a Pesquisa)
carlos nota » carlos mota (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos noda (Expandir a Pesquisa)
trial ngoc » trinh ngoc (Expandir a Pesquisa), trial nic (Expandir a Pesquisa), trial noa (Expandir a Pesquisa)
7.5 natl » 7.5 nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
l carlos » gil carlos (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
natl l » atl l (Expandir a Pesquisa), natl _ (Expandir a Pesquisa)
5 set » 5 sets (Expandir a Pesquisa), _ set (Expandir a Pesquisa), a set (Expandir a Pesquisa)
nett » net (Expandir a Pesquisa), next (Expandir a Pesquisa), neto (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 _ (nett OR lett) ) or ((( 5 set complex trial ngoc ) or ( 7.5 natl l carlos nota ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs _ (nett OR lett) ) OR ((( 5 set complex trial ngoc ) OR ( 7.5 natl l carlos nota ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs _ (nett OR lett) ) or ((( 5 set complex trial ngoc ) or ( 7.5 natl l carlos nota ))))*".