Talvez deva tentar algumas variações de ortografia:
crest derived » host derived (Expandir a Pesquisa)
deltas served » adults served (Expandir a Pesquisa), delta survey (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
served case » observed case (Expandir a Pesquisa), saved case (Expandir a Pesquisa), observed cases (Expandir a Pesquisa)
cat disc » rat disc (Expandir a Pesquisa), flat disc (Expandir a Pesquisa), goat disc (Expandir a Pesquisa)
j deltas » _ deltas (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j delmas (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), j crespo (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 cat disc ) or ((( j deltas served case dis ) or ( a central nerve case due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j crest derived cat disc ) OR ((( j deltas served case dis ) OR ( a central nerve case due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j crest derived cat disc ) or ((( j deltas served case dis ) or ( a central nerve case due ))))*.