Talvez deva tentar algumas variações de ortografia:
research systems » research synthesis (Expandir a Pesquisa)
cantero nursing » cancer nursing (Expandir a Pesquisa), center nursing (Expandir a Pesquisa), centered nursing (Expandir a Pesquisa)
mehta research » meta research (Expandir a Pesquisa), beta research (Expandir a Pesquisa), feta research (Expandir a Pesquisa)
nursing van » nursing a (Expandir a Pesquisa), nursing any (Expandir a Pesquisa), nursing apn (Expandir a Pesquisa)
censo nerve » sensory nerve (Expandir a Pesquisa)
systems dis » systems disk (Expandir a Pesquisa), systems tdis (Expandir a Pesquisa), systems dss (Expandir a Pesquisa)
van dis » van die (Expandir a Pesquisa), van diest (Expandir a Pesquisa), van dijk (Expandir a Pesquisa)
i censo » o censo (Expandir a Pesquisa), _ censo (Expandir a Pesquisa), do censo (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (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 cantero nursing van dis ) or ( i censo nerve c dis ))) or ( j mehta research systems dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cantero nursing van dis ) OR ( i censo nerve c dis ))) OR ( j mehta research systems dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cantero nursing van dis ) or ( i censo nerve c dis ))) or ( j mehta research systems dis ))*.