Talvez deva tentar algumas variações de ortografia:
closed complex » based complex (Expandir a Pesquisa), closed convex (Expandir a Pesquisa), closed duplex (Expandir a Pesquisa)
complex genes » complex gene (Expandir a Pesquisa), complex genetic (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
genes nifh » gene nifh (Expandir a Pesquisa), genes nif (Expandir a Pesquisa), genes nirk (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
a closed » _ closed (Expandir a Pesquisa)
7.2 natl » 7.2 nacl (Expandir a Pesquisa)
natl kno » nacl kno (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)
c node » _ node (Expandir a Pesquisa), a node (Expandir a Pesquisa), c noda (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 node ) or ((( a closed complex genes nifh ) or ( 7.2 natl kno carlos nojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs c node ) OR ((( a closed complex genes nifh ) OR ( 7.2 natl kno carlos nojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs c node ) or ((( a closed complex genes nifh ) or ( 7.2 natl kno carlos nojek ))))*.