Talvez deva tentar algumas variações de ortografia:
nervous habita » nervous habits (Expandir a Pesquisa), nervous habit (Expandir a Pesquisa)
cento nerve » bent nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa)
habita diet » habitat diet (Expandir a Pesquisa), habita die (Expandir a Pesquisa), habits diet (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neeraj (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i cento » a cento (Expandir a Pesquisa), i censo (Expandir a Pesquisa), i centeno (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (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 cento nerve cyst due ) OR ( j central nervous habita diet ))) OR ( j mehta nerve can dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( i cento nerve cyst due ) OR ( j central nervous habita diet ))) OR ( j mehta nerve can dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cento nerve cyst due ) OR ( j central nervous habita diet ))) OR ( j mehta nerve can dis ))*.