Talvez deva tentar algumas variações de ortografia:
elderly comparison » elderly compared (Expandir a Pesquisa)
comparison law » comparison low (Expandir a Pesquisa), comparison land (Expandir a Pesquisa), comparison a (Expandir a Pesquisa)
nacl compare » nacl compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa), penal compare (Expandir a Pesquisa)
adl computer » apl computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
2 elderly » _ elderly (Expandir a Pesquisa), a elderly (Expandir a Pesquisa), 218 elderly (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
j adl » _ adl (Expandir a Pesquisa), i adl (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 adl computer a now ) or ((( j nacl compare a now ) or ( 2 elderly comparison law now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j adl computer a now ) OR ((( j nacl compare a now ) OR ( 2 elderly comparison law now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j adl computer a now ) or ((( j nacl compare a now ) or ( 2 elderly comparison law now ))))*.