Talvez deva tentar algumas variações de ortografia:
research systems » research synthesis (Expandir a Pesquisa)
mehta research » meta research (Expandir a Pesquisa), media research (Expandir a Pesquisa), beta research (Expandir a Pesquisa)
canter merece » cancer merece (Expandir a Pesquisa), canter jerome (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
systems dss » system dss (Expandir a Pesquisa), systems do (Expandir a Pesquisa), systems de (Expandir a Pesquisa)
merece van » terence van (Expandir a Pesquisa), merece la (Expandir a Pesquisa), merel van (Expandir a Pesquisa)
van diest » van die (Expandir a Pesquisa)
j canter » j cantero (Expandir a Pesquisa), j carter (Expandir a Pesquisa), j canto (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (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 canter merece van diest ) or ( i crest nerve c dis ))) or ( j mehta research systems dss ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j canter merece van diest ) OR ( i crest nerve c dis ))) OR ( j mehta research systems dss )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j canter merece van diest ) or ( i crest nerve c dis ))) or ( j mehta research systems dss ))*.