Talvez deva tentar algumas variações de ortografia:
denham nerve » dental nerve (Expandir a Pesquisa), dental nerves (Expandir a Pesquisa)
pulse system » phase system (Expandir a Pesquisa), purpose system (Expandir a Pesquisa), base system (Expandir a Pesquisa)
under pulse » under pulsed (Expandir a Pesquisa), under false (Expandir a Pesquisa), under pure (Expandir a Pesquisa)
bett drive » belt drive (Expandir a Pesquisa), bet drive (Expandir a Pesquisa), belt drives (Expandir a Pesquisa)
system des » system der (Expandir a Pesquisa), system de (Expandir a Pesquisa), system design (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j denham » d denham (Expandir a Pesquisa), a denham (Expandir a Pesquisa), l denham (Expandir a Pesquisa)
j under » tj under (Expandir a Pesquisa), 1 under (Expandir a Pesquisa), j unger (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
j bett » j betts (Expandir a Pesquisa), j beth (Expandir a Pesquisa), j beta (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 bett drive system des ) or ( j under pulse system des ))) or ( j denham nerve cat dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j bett drive system des ) OR ( j under pulse system des ))) OR ( j denham nerve cat dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j bett drive system des ) or ( j under pulse system des ))) or ( j denham nerve cat dis ))*.