Talvez deva tentar algumas variações de ortografia:
reserved system » reserved systems (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), resolved system (Expandir a Pesquisa)
mental reserved » metal reserves (Expandir a Pesquisa), mental retarded (Expandir a Pesquisa), central reserve (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
letter nurse » better nurse (Expandir a Pesquisa), better nurses (Expandir a Pesquisa), letter nursing (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
nurse cat » nurse can (Expandir a Pesquisa), nurse ca (Expandir a Pesquisa), nurse cadet (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
j letter » bj letter (Expandir a Pesquisa), cj letter (Expandir a Pesquisa), j letters (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (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 letter nurse cat dis ) or ( i ventral nerve _ disc ))) or ( j mental reserved system dias ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j letter nurse cat dis ) OR ( i ventral nerve _ disc ))) OR ( j mental reserved system dias )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j letter nurse cat dis ) or ( i ventral nerve _ disc ))) or ( j mental reserved system dias ))*.