Talvez deva tentar algumas variações de ortografia:
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), treat service (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
cent serve » stent serve (Expandir a Pesquisa), best serve (Expandir a Pesquisa), pet serve (Expandir a Pesquisa)
been nerve » when nerve (Expandir a Pesquisa), open nerve (Expandir a Pesquisa), between nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
serve cat » serve a (Expandir a Pesquisa), service cats (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
cat diet » cat diets (Expandir a Pesquisa), fat diet (Expandir a Pesquisa), eat diet (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
j treat » j threat (Expandir a Pesquisa), _ treat (Expandir a Pesquisa), a treat (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (Expandir a Pesquisa)
j been » j beena (Expandir a Pesquisa), j beene (Expandir a Pesquisa), j beer (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 cent serve cat dis ) or ( j treat nerve cat diet ))) or ( j been nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cent serve cat dis ) OR ( j treat nerve cat diet ))) OR ( j been nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent serve cat dis ) or ( j treat nerve cat diet ))) or ( j been nerve system dis ))*.