Talvez deva tentar algumas variações de ortografia:
absent negative » absent native (Expandir a Pesquisa), absent negativity (Expandir a Pesquisa), patient negative (Expandir a Pesquisa)
negative case » negative charge (Expandir a Pesquisa), negative charges (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
l mental » l mentil (Expandir a Pesquisa), l mentol (Expandir a Pesquisa), all mental (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a diets » a dietas (Expandir a Pesquisa), a diet's (Expandir a Pesquisa), a dinets (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 nerve a diets ) or ((( _ absent negative case dis ) or ( l mental nerve a diets ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j center nerve a diets ) OR ((( _ absent negative case dis ) OR ( l mental nerve a diets )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j center nerve a diets ) or ((( _ absent negative case dis ) or ( l mental nerve a diets ))))*.