Talvez deva tentar algumas variações de ortografia:
center nurse » center nurses (Expandir a Pesquisa), better nurse (Expandir a Pesquisa), letter nurse (Expandir a Pesquisa)
nerve based » curve based (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), reserve based (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
benign non » benign bone (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
based di » based dir (Expandir a Pesquisa), based diet (Expandir a Pesquisa), based disk (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
non case » non cash (Expandir a Pesquisa)
case di » case did (Expandir a Pesquisa), case dti (Expandir a Pesquisa), case de (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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 center nurse _ (disc OR dis) ) or ((( j bent nerve based di ) or ( j benign non case di ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j center nurse _ (disc OR dis) ) OR ((( j bent nerve based di ) OR ( j benign non case di ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j center nurse _ (disc OR dis) ) or ((( j bent nerve based di ) or ( j benign non case di ))))*".