Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
mental reserve » central reserve (Expandir a Pesquisa), renal reserve (Expandir a Pesquisa), metal reserves (Expandir a Pesquisa)
ventral serve » ventral nerve (Expandir a Pesquisa), central server (Expandir a Pesquisa), central service (Expandir a Pesquisa)
cancer serve » cancer serves (Expandir a Pesquisa), cancer served (Expandir a Pesquisa), cancer nerve (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
serve _at » serve a (Expandir a Pesquisa)
i ventral » ii ventral (Expandir a Pesquisa), c7 ventral (Expandir a Pesquisa), i venereal (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
_at dis » rat disc (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 cancer serve _at dis ) or ( i ventral serve _ dis ))) or ( j mental reserve system dias ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer serve _at dis ) OR ( i ventral serve _ dis ))) OR ( j mental reserve system dias )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer serve _at dis ) or ( i ventral serve _ dis ))) or ( j mental reserve system dias ))*.