Talvez deva tentar algumas variações de ortografia:
dentin nerve » dental nerve (Expandir a Pesquisa), dentin derived (Expandir a Pesquisa), dental nerves (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
j dentin » j dennis (Expandir a Pesquisa), j delton (Expandir a Pesquisa), j denis (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
ai cent » i cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa), ai centri (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 benet nerve system dis ) OR ( ai cent nerve system due ))) OR ( j dentin nerve system dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j benet nerve system dis ) OR ( ai cent nerve system due ))) OR ( j dentin nerve system dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j benet nerve system dis ) OR ( ai cent nerve system due ))) OR ( j dentin nerve system dis ))*.