Talvez deva tentar algumas variações de ortografia:
repressor complex » repressive complex (Expandir a Pesquisa)
complex context » complex contact (Expandir a Pesquisa), complex concept (Expandir a Pesquisa), complejo contexto (Expandir a Pesquisa)
5 repressor » u5 repressor (Expandir a Pesquisa), l5 repressor (Expandir a Pesquisa), a repressor (Expandir a Pesquisa)
carlos nova » carlos novoa (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
l coombs » l coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
coombs a » coombes a (Expandir a Pesquisa), coombs r (Expandir a Pesquisa), coombs g (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (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 coombs a new ) or ((( 5 repressor complex context new ) or ( 0.9 nacl kno carlos nova ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombs a new ) OR ((( 5 repressor complex context new ) OR ( 0.9 nacl kno carlos nova )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs a new ) or ((( 5 repressor complex context new ) or ( 0.9 nacl kno carlos nova ))))*.