Talvez deva tentar algumas variações de ortografia:
recurrent serves » recurrent nerves (Expandir a Pesquisa), recurrent nerve (Expandir a Pesquisa), recurrent serous (Expandir a Pesquisa)
serves cross » series cross (Expandir a Pesquisa), nerves cross (Expandir a Pesquisa), services cross (Expandir a Pesquisa)
2 recurrent » _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa)
cross dis » cross d.s (Expandir a Pesquisa), across disk (Expandir a Pesquisa), cross daisy (Expandir a Pesquisa)
can nerve » can serve (Expandir a Pesquisa), canal nerve (Expandir a Pesquisa), pain nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
j beta » j beth (Expandir a Pesquisa)
j can » j cano (Expandir a Pesquisa), j cant (Expandir a Pesquisa), _ can (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: (( 2 recurrent serves cross dis ) or ((( j can nerve cat dis ) or ( j beta nerve cat dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 recurrent serves cross dis ) OR ((( j can nerve cat dis ) OR ( j beta nerve cat dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 recurrent serves cross dis ) or ((( j can nerve cat dis ) or ( j beta nerve cat dis ))))*.