Talvez deva tentar algumas variações de ortografia:
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
nose systems » nose system (Expandir a Pesquisa), bose systems (Expandir a Pesquisa), mouse systems (Expandir a Pesquisa)
letter nose » letter note (Expandir a Pesquisa), letter nurse (Expandir a Pesquisa), letter whose (Expandir a Pesquisa)
systems dds » systems dss (Expandir a Pesquisa), systems does (Expandir a Pesquisa), systems do (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), base does (Expandir a Pesquisa)
case goes » care goes (Expandir a Pesquisa), age goes (Expandir a Pesquisa), jose goes (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)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j letter nose systems dds ) OR ( j mental nerve ((case does) OR (case goes)) ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j letter nose systems dds ) or ( j mental nerve ((case does) OR (case goes)) ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j letter nose systems dds ) or ( j mental nerve ((case does) OR (case goes)) ))*.