Talvez deva tentar algumas variações de ortografia:
absent native » present native (Expandir a Pesquisa), absent nails (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
survey case » surveys case (Expandir a Pesquisa), survey casi (Expandir a Pesquisa), survey caused (Expandir a Pesquisa)
native cat » native ca (Expandir a Pesquisa), native cacti (Expandir a Pesquisa), native cas9 (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa), nerve case (Expandir a Pesquisa)
j spinal » j spina (Expandir a Pesquisa), j spinar (Expandir a Pesquisa), j spittal (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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: (( i current survey case di ) or ((( j spinal nerve cat dis ) or ( j absent native cat dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i current survey case di ) OR ((( j spinal nerve cat dis ) OR ( j absent native cat dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i current survey case di ) or ((( j spinal nerve cat dis ) or ( j absent native cat dis ))))*.