Talvez deva tentar algumas variações de ortografia:
complex atrial » complex bacterial (Expandir a Pesquisa), complex atypical (Expandir a Pesquisa)
sets complex » set1 complex (Expandir a Pesquisa), set complex (Expandir a Pesquisa), set3 complex (Expandir a Pesquisa)
carlos matta » carlos mata (Expandir a Pesquisa), carlos matias (Expandir a Pesquisa), carlos maria (Expandir a Pesquisa)
kuhl carlos » riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa)
7.5 natl » 7.5 nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
combs j » coombs j (Expandir a Pesquisa), combs _ (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
5 sets » _ sets (Expandir a Pesquisa), 1 sets (Expandir a Pesquisa), 3 sets (Expandir a Pesquisa)
j net » j neth (Expandir a Pesquisa), j neto (Expandir a Pesquisa), j nett (Expandir a Pesquisa)
ngoc » ngo (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 j net ) or ((( 5 sets complex atrial ngoc ) or ( 7.5 natl kuhl carlos matta ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs j net ) OR ((( 5 sets complex atrial ngoc ) OR ( 7.5 natl kuhl carlos matta )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs j net ) or ((( 5 sets complex atrial ngoc ) or ( 7.5 natl kuhl carlos matta ))))*.