Talvez deva tentar algumas variações de ortografia:
detection systems » detection system (Expandir a Pesquisa)
absent detection » absence detection (Expandir a Pesquisa), agent detection (Expandir a Pesquisa), absent selection (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
systems dis » systems disk (Expandir a Pesquisa), systems tdis (Expandir a Pesquisa), systems dss (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j dent (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (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 cent nerve cat due ) or ((( j dental nerve cat due ) or ( _ absent detection systems dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j cent nerve cat due ) OR ((( j dental nerve cat due ) OR ( _ absent detection systems dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j cent nerve cat due ) or ((( j dental nerve cat due ) or ( _ absent detection systems dis ))))*.