Talvez debería tentar con algunhas variantes ortográficas:
recent nerve » prevent nerve (Expandir procura), rodent nerve (Expandir procura), recurrent nerve (Expandir procura)
center nerve » cancer nerve (Expandir procura), center nurse (Expandir procura), letter nerve (Expandir procura)
mental nerve » ventral nerve (Expandir procura), central nerve (Expandir procura)
nerve system » nervous system (Expandir procura), drive system (Expandir procura)
iii recent » ii recent (Expandir procura), iii repeat (Expandir procura), iii reagents (Expandir procura)
nerve can » nerve canal (Expandir procura), nerve case (Expandir procura), nerve a (Expandir procura)
j center » j centner (Expandir procura), j centeno (Expandir procura), j cestero (Expandir procura)
nerve en » nerve end (Expandir procura), nerve aen (Expandir procura), nerve ex (Expandir procura)
j mental » j mengual (Expandir procura), j mena (Expandir procura), j mehta (Expandir procura)
system d » system de (Expandir procura), system der (Expandir procura), system des (Expandir procura)
can ji » can jie (Expandir procura), can jin (Expandir procura), han ji (Expandir procura)
en dis » en dios (Expandir procura), en dias (Expandir procura), en die (Expandir procura)

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 center nerve can ji ) or ( iii recent nerve en dis ))) or ( j mental nerve system d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j center nerve can ji ) OR ( iii recent nerve en dis ))) OR ( j mental nerve system d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nerve can ji ) or ( iii recent nerve en dis ))) or ( j mental nerve system d ))*.