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 cases (Expandir a Pesquisa), negative charge (Expandir a Pesquisa), negative cell (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cat diets » fat diets (Expandir a Pesquisa), salt diets (Expandir a Pesquisa), cult diets (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), 2 center (Expandir a Pesquisa), 3 center (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
l bent » l benth (Expandir a Pesquisa), l bento (Expandir a Pesquisa), l bentz (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 cat diets ) or ((( j absent negative case dis ) or ( l bent nerve cat diets ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j center nerve cat diets ) OR ((( j absent negative case dis ) OR ( l bent nerve cat diets )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j center nerve cat diets ) or ((( j absent negative case dis ) or ( l bent nerve cat diets ))))*.