Talvez deva tentar algumas variações de ortografia:
factor complex » mtor complex (Expandir a Pesquisa), receptor complex (Expandir a Pesquisa)
controls nf » controls non (Expandir a Pesquisa), controls _ (Expandir a Pesquisa), controls a (Expandir a Pesquisa)
pena carlos » luna carlos (Expandir a Pesquisa), medina carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
nacl pena » nacl en (Expandir a Pesquisa), nacl na (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
_ factor » _ factors (Expandir a Pesquisa)
a sex » _ sex (Expandir a Pesquisa), a set (Expandir a Pesquisa), a six (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: (( a sex combs john new ) or ((( _ factor complex controls nf ) or ( 0.9 nacl pena carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a sex combs john new ) OR ((( _ factor complex controls nf ) OR ( 0.9 nacl pena carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a sex combs john new ) or ((( _ factor complex controls nf ) or ( 0.9 nacl pena carlos nara ))))*.