Talvez deva tentar algumas variações de ortografia:
complex than » complex trait (Expandir a Pesquisa)
oposta open » post open (Expandir a Pesquisa)
tal complex » al complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa), anal complex (Expandir a Pesquisa)
carlos node » carlos noda (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos nodal (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
l oposta » l proposta (Expandir a Pesquisa)
open new » opens new (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
e carlos » de carlos (Expandir a Pesquisa)
nacl e » nacl en (Expandir a Pesquisa), nacl _ (Expandir a Pesquisa), nacl a (Expandir a Pesquisa)
5 tal » 5 tail (Expandir a Pesquisa), _ tal (Expandir a Pesquisa), e tal (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 oposta open new ) or ((( 5 tal complex than ngoc ) or ( 3.5 nacl e carlos node ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l oposta open new ) OR ((( 5 tal complex than ngoc ) OR ( 3.5 nacl e carlos node )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l oposta open new ) or ((( 5 tal complex than ngoc ) or ( 3.5 nacl e carlos node ))))*.