Talvez deva tentar algumas variações de ortografia:
cancer service » cancer services (Expandir a Pesquisa), cancer cervico (Expandir a Pesquisa), cancer cervical (Expandir a Pesquisa)
service case » services case (Expandir a Pesquisa), service cases (Expandir a Pesquisa), service care (Expandir a Pesquisa)
ural merve » unal merve (Expandir a Pesquisa), usal merve (Expandir a Pesquisa), burak merve (Expandir a Pesquisa)
serve cyst » nerve cyst (Expandir a Pesquisa), nerve cystic (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
le serve » we serve (Expandir a Pesquisa), le serre (Expandir a Pesquisa), le seve (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can bddcs (Expandir a Pesquisa)
m ural » _ ural (Expandir a Pesquisa), r ural (Expandir a Pesquisa), a ural (Expandir a Pesquisa)
j le » j l (Expandir a Pesquisa), j e (Expandir a Pesquisa), j de (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: (((( j cancer service case _ ) OR ( m ural merve can dcs ))) OR ( j le serve cyst _ ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer service case _ ) or ( m ural merve can dcs ))) or ( j le serve cyst _ ))*.