Talvez deva tentar algumas variações de ortografia:
bader charles » nader charles (Expandir a Pesquisa), elder charles (Expandir a Pesquisa), gardner charles (Expandir a Pesquisa)
charles rosen » charles roger (Expandir a Pesquisa), charles ross (Expandir a Pesquisa), charles robin (Expandir a Pesquisa)
coombs jason » coombes jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), cooper jason (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex tehran (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
dmm complex » dbm complex (Expandir a Pesquisa), dm complex (Expandir a Pesquisa), drm complex (Expandir a Pesquisa)
nac bader » a bader (Expandir a Pesquisa), c bader (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
7.5 nac » 7.5 nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
5 dmm » _ dmm (Expandir a Pesquisa), 5 dsm (Expandir a Pesquisa), 5 dbm (Expandir a Pesquisa)
ngoc » ngo (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 _ coombs jason a ) or ((( 5 dmm complex tran ngoc ) or ( 7.5 nac bader charles rosen ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ coombs jason a ) OR ((( 5 dmm complex tran ngoc ) OR ( 7.5 nac bader charles rosen )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ coombs jason a ) or ((( 5 dmm complex tran ngoc ) or ( 7.5 nac bader charles rosen ))))*.