Talvez deva tentar algumas variações de ortografia:
centner phase » center phase (Expandir a Pesquisa), centre phase (Expandir a Pesquisa), cancer phase (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
bett drive » belt drive (Expandir a Pesquisa), bet drive (Expandir a Pesquisa), beta driven (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
j centner » j center (Expandir a Pesquisa), m centner (Expandir a Pesquisa), _ entner (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa), j denham (Expandir a Pesquisa)
can die » can diet (Expandir a Pesquisa), van die (Expandir a Pesquisa), aan die (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 de ) or ( j centner phase system de ))) or ( j dental nerve can die ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j bett drive system de ) OR ( j centner phase system de ))) OR ( j dental nerve can die )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j bett drive system de ) or ( j centner phase system de ))) or ( j dental nerve can die ))*.