Talvez deva tentar algumas variações de ortografia:
letter nerve » letter nurse (Expandir a Pesquisa), matter nerve (Expandir a Pesquisa), letter nervous (Expandir a Pesquisa)
dental curve » dental survey (Expandir a Pesquisa), dental care (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
region serve » region serves (Expandir a Pesquisa), regions served (Expandir a Pesquisa), region survey (Expandir a Pesquisa)
serve case » nerve case (Expandir a Pesquisa), service case (Expandir a Pesquisa), reserve case (Expandir a Pesquisa)
based doe » based dose (Expandir a Pesquisa), based de (Expandir a Pesquisa), based dot (Expandir a Pesquisa)
case goes » care goes (Expandir a Pesquisa), age goes (Expandir a Pesquisa), jose goes (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
j region » j regino (Expandir a Pesquisa), j rendon (Expandir a Pesquisa), j regan (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: (( _ letter nerve _ dis ) or ((( j dental curve based doe ) or ( j region serve case goes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ letter nerve _ dis ) OR ((( j dental curve based doe ) OR ( j region serve case goes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ letter nerve _ dis ) or ((( j dental curve based doe ) or ( j region serve case goes ))))*.