Talvez deva tentar algumas variações de ortografia:
entner nurse » center nurse (Expandir a Pesquisa), center nurses (Expandir a Pesquisa), under nurse (Expandir a Pesquisa)
nurse cases » nurse case (Expandir a Pesquisa), nurse cares (Expandir a Pesquisa), nurse caused (Expandir a Pesquisa)
delta river » volta river (Expandir a Pesquisa), delta over (Expandir a Pesquisa)
cases does » causes does (Expandir a Pesquisa), case does (Expandir a Pesquisa), cases dos (Expandir a Pesquisa)
cent serve » best serve (Expandir a Pesquisa), pet serve (Expandir a Pesquisa), client server (Expandir a Pesquisa)
serve can » nerve can (Expandir a Pesquisa), merve can (Expandir a Pesquisa), service can (Expandir a Pesquisa)
can diets » cane diets (Expandir a Pesquisa), can diet (Expandir a Pesquisa), corn diets (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ entner nurse cases does ) OR ( i cent serve can diets ))) OR ( j delta river system der ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ entner nurse cases does ) or ( i cent serve can diets ))) or ( j delta river system der ))*.