Talvez deva tentar algumas variações de ortografia:
crespo servan » crespo hervas (Expandir a Pesquisa), crespo sara (Expandir a Pesquisa), crespo sergio (Expandir a Pesquisa)
detect neural » detect natural (Expandir a Pesquisa), direct neural (Expandir a Pesquisa), affect neural (Expandir a Pesquisa)
servan cause » servant laure (Expandir a Pesquisa), servant paule (Expandir a Pesquisa), serum cause (Expandir a Pesquisa)
cause does » causes does (Expandir a Pesquisa), cause des (Expandir a Pesquisa), pause does (Expandir a Pesquisa)
neural van » natural van (Expandir a Pesquisa), neural v1ar (Expandir a Pesquisa), neural a (Expandir a Pesquisa)
beer nerve » newer nerve (Expandir a Pesquisa), steer nerve (Expandir a Pesquisa), near nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j crespo » l crespo (Expandir a Pesquisa), c crespo (Expandir a Pesquisa)
j detect » je detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa), 2 detect (Expandir a Pesquisa)
van dis » van die (Expandir a Pesquisa), van diest (Expandir a Pesquisa), van dijk (Expandir a Pesquisa)
j beer » j becker (Expandir a Pesquisa)
cat d » cat do (Expandir a Pesquisa), catt d (Expandir a Pesquisa), cat _ (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 crespo servan cause does ) or ((( j detect neural van dis ) or ( j beer nerve cat d ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j crespo servan cause does ) OR ((( j detect neural van dis ) OR ( j beer nerve cat d )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j crespo servan cause does ) or ((( j detect neural van dis ) or ( j beer nerve cat d ))))*.