Talvez deva tentar algumas variações de ortografia:
under carlos » hunter carlos (Expandir a Pesquisa), konder carlos (Expandir a Pesquisa), under carbon (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex tehran (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
co complex » o complex (Expandir a Pesquisa), tho complex (Expandir a Pesquisa), two complex (Expandir a Pesquisa)
l toombs » ms toombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa), g coombs (Expandir a Pesquisa)
jason n » jason _ (Expandir a Pesquisa), jason a (Expandir a Pesquisa), jason c (Expandir a Pesquisa)
5 co » 5 o (Expandir a Pesquisa), 5 c (Expandir a Pesquisa), 5 cm (Expandir a Pesquisa)
ngoc » ngo (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 toombs jason n ) or ((( 5 co complex tran ngoc ) or ( 3.5 nacl under carlos nojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l toombs jason n ) OR ((( 5 co complex tran ngoc ) OR ( 3.5 nacl under carlos nojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l toombs jason n ) or ((( 5 co complex tran ngoc ) or ( 3.5 nacl under carlos nojek ))))*.