Talvez deva tentar algumas variações de ortografia:
absent negativity » test negativity (Expandir a Pesquisa), ana negativity (Expandir a Pesquisa), false negativity (Expandir a Pesquisa)
negativity case » negativity based (Expandir a Pesquisa), negativity biases (Expandir a Pesquisa), negativity score (Expandir a Pesquisa)
mehta niraj » mehta anurag (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (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)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
_ mehta » a mehta (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( i cent nerve cat dis ) or ((( j absent negativity case dis ) or ( _ mehta niraj cyst due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i cent nerve cat dis ) OR ((( j absent negativity case dis ) OR ( _ mehta niraj cyst due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i cent nerve cat dis ) or ((( j absent negativity case dis ) or ( _ mehta niraj cyst due ))))*.