Talvez deva tentar algumas variações de ortografia:
reactive system » reactive systems (Expandir a Pesquisa), reaction system (Expandir a Pesquisa), predictive system (Expandir a Pesquisa)
lived reactive » derived reactive (Expandir a Pesquisa), based reactive (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neev (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (Expandir a Pesquisa)
a lived » a live (Expandir a Pesquisa), a liver (Expandir a Pesquisa), _ lived (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: (( a center nerve cat due ) or ((( j mehta nerve cat due ) or ( a lived reactive system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a center nerve cat due ) OR ((( j mehta nerve cat due ) OR ( a lived reactive system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a center nerve cat due ) or ((( j mehta nerve cat due ) or ( a lived reactive system dis ))))*.