Talvez deva tentar algumas variações de ortografia:
during system » curing system (Expandir a Pesquisa), during systemic (Expandir a Pesquisa), curing systems (Expandir a Pesquisa)
meta server » multi server (Expandir a Pesquisa)
server case » server based (Expandir a Pesquisa), server cache (Expandir a Pesquisa), services case (Expandir a Pesquisa)
sena merve » senal merve (Expandir a Pesquisa), sena herve (Expandir a Pesquisa), senem merve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
i sena » i senna (Expandir a Pesquisa), i send (Expandir a Pesquisa), i sens (Expandir a Pesquisa)
j meta » j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j meca (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i sena merve can direct ) OR ( i current during system dis ))) OR ( j meta server case dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i sena merve can direct ) or ( i current during system dis ))) or ( j meta server case dis ))*.