Talvez deva tentar algumas variações de ortografia:
complex concepts » complex confers (Expandir a Pesquisa), complex controls (Expandir a Pesquisa), complex concentrates (Expandir a Pesquisa)
carlos nejar » carlos negrao (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
art complex » arnt complex (Expandir a Pesquisa), act complex (Expandir a Pesquisa), akt complex (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
concepts a » concepts _ (Expandir a Pesquisa)
covid new » covid e (Expandir a Pesquisa), covid de (Expandir a Pesquisa), covid en (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
l combat » le combat (Expandir a Pesquisa), _ combat (Expandir a Pesquisa), a combat (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
5 art » 5 arts (Expandir a Pesquisa), _ art (Expandir a Pesquisa), l art (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 combat covid new ) or ((( 5 art complex concepts a ) or ( 7.5 nacl nano carlos nejar ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combat covid new ) OR ((( 5 art complex concepts a ) OR ( 7.5 nacl nano carlos nejar )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combat covid new ) or ((( 5 art complex concepts a ) or ( 7.5 nacl nano carlos nejar ))))*.