Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
hemi central » ischemic central (Expandir a Pesquisa), coli central (Expandir a Pesquisa), i central (Expandir a Pesquisa)
tendon nerve » non nerve (Expandir a Pesquisa), tendon core (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
real nerve » renal nerve (Expandir a Pesquisa), rectal nerve (Expandir a Pesquisa), reveal nerve (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
d tendon » de tendon (Expandir a Pesquisa), 3d tendon (Expandir a Pesquisa), a tendon (Expandir a Pesquisa)
i real » i read (Expandir a Pesquisa), i really (Expandir a Pesquisa)
cn dcs » can dcs (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( hemi central nerve cyst due ) OR ( i real nerve cn dcs ))) OR ( d tendon nerve cyst due ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( hemi central nerve cyst due ) OR ( i real nerve cn dcs ))) OR ( d tendon nerve cyst due ))*.