Talvez deva tentar algumas variações de ortografia:
research systems » research synthesis (Expandir a Pesquisa)
real research » meal research (Expandir a Pesquisa), legal research (Expandir a Pesquisa), ideal research (Expandir a Pesquisa)
client server » cliente servidor (Expandir a Pesquisa)
canter serve » cancer serves (Expandir a Pesquisa), cancer served (Expandir a Pesquisa), cancer service (Expandir a Pesquisa)
serve van » serge van (Expandir a Pesquisa), herve van (Expandir a Pesquisa), serie van (Expandir a Pesquisa)
ai client » api client (Expandir a Pesquisa), au client (Expandir a Pesquisa), bip client (Expandir a Pesquisa)
systems d » systems do (Expandir a Pesquisa), systems de (Expandir a Pesquisa), systems dc (Expandir a Pesquisa)
j canter » j cantero (Expandir a Pesquisa), j carter (Expandir a Pesquisa), j canto (Expandir a Pesquisa)
van dis » van die (Expandir a Pesquisa), van diest (Expandir a Pesquisa), van dijk (Expandir a Pesquisa)
j real » j read (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 serve van dis ) or ( ai client server _ dis ))) or ( j real research systems d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j canter serve van dis ) OR ( ai client server _ dis ))) OR ( j real research systems d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j canter serve van dis ) or ( ai client server _ dis ))) or ( j real research systems d ))*.