Talvez deva tentar algumas variações de ortografia:
recurrence serve » recurrence curve (Expandir a Pesquisa), recurrence surge (Expandir a Pesquisa), recurrence observed (Expandir a Pesquisa)
j recurrence » c recurrence (Expandir a Pesquisa), b recurrence (Expandir a Pesquisa), hcc recurrence (Expandir a Pesquisa)
serve cyst » nerve cyst (Expandir a Pesquisa)
serve case » nerve case (Expandir a Pesquisa), service case (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
serve can » nerve can (Expandir a Pesquisa), merve can (Expandir a Pesquisa), service can (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j belval » j bell (Expandir a Pesquisa), j bela (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
_ can » _ cat (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 recurrence serve cyst dis ) OR ( _ can serve case does ))) OR ( j belval serve can dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j recurrence serve cyst dis ) or ( _ can serve case does ))) or ( j belval serve can dis ))*.