Talvez deva tentar algumas variações de ortografia:
nab roles » a roles (Expandir a Pesquisa), b roles (Expandir a Pesquisa), job roles (Expandir a Pesquisa)
soil born » soil borne (Expandir a Pesquisa), soil bound (Expandir a Pesquisa)
roles can » role can (Expandir a Pesquisa), roles con (Expandir a Pesquisa), roles dans (Expandir a Pesquisa)
can neto » can newts (Expandir a Pesquisa), can near (Expandir a Pesquisa), can nano (Expandir a Pesquisa)
can net » dan net (Expandir a Pesquisa), can nt (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
l role » l rose (Expandir a Pesquisa), l robles (Expandir a Pesquisa)
5 soil » _ soil (Expandir a Pesquisa), a soil (Expandir a Pesquisa), 2 soil (Expandir a Pesquisa)
born 2 » born 20 (Expandir a Pesquisa), born 28 (Expandir a Pesquisa), born 29 (Expandir a Pesquisa)
2 new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), 2 neu (Expandir a Pesquisa)
_ nab » _ nad (Expandir a Pesquisa), _ nzb (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 l role ((can neto) OR (can net)) ) OR ((( 5 soil born 2 new ) OR ( _ nab roles can new ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l role ((can neto) OR (can net)) ) or ((( 5 soil born 2 new ) or ( _ nab roles can new ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l role ((can neto) OR (can net)) ) or ((( 5 soil born 2 new ) or ( _ nab roles can new ))))*.