Talvez deva tentar algumas variações de ortografia:
elderly compared » elderly care (Expandir a Pesquisa)
compared thaw » compared law (Expandir a Pesquisa), compared three (Expandir a Pesquisa), comparing thaw (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa), nat comm (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
a elderly » _ elderly (Expandir a Pesquisa), 19 elderly (Expandir a Pesquisa), late elderly (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), ac camp (Expandir a Pesquisa), cpt camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
thaw non » law non (Expandir a Pesquisa), thaw zin (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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 nat compr can new ) or ( j nat camp can new ))) or ( a elderly compared thaw non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr can new ) OR ( j nat camp can new ))) OR ( a elderly compared thaw non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr can new ) or ( j nat camp can new ))) or ( a elderly compared thaw non ))*.