Talvez deva tentar algumas variações de ortografia:
crest derived » host derived (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
benito nerve » benign nerve (Expandir a Pesquisa), benito narvaez (Expandir a Pesquisa), benito eva (Expandir a Pesquisa)
derived car » derived c (Expandir a Pesquisa), derived cd4 (Expandir a Pesquisa), derived cd8 (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j benito » de benito (Expandir a Pesquisa), j benitez (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j crest » _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa), 5 crest (Expandir a Pesquisa)
car dis » car disc (Expandir a Pesquisa), car dias (Expandir a Pesquisa), care dis (Expandir a Pesquisa)
cn dce » can dce (Expandir a Pesquisa), co dce (Expandir a Pesquisa), cg dce (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 crest derived car dis ) OR ( _ ventral nerve cn dce ))) OR ( j benito nerve case dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j crest derived car dis ) OR ( _ ventral nerve cn dce ))) OR ( j benito nerve case dis ))*".