Talvez deva tentar algumas variações de ortografia:
elderly compared » elderly comparison (Expandir a Pesquisa), elderly care (Expandir a Pesquisa)
based elderly » based early (Expandir a Pesquisa)
natali gomes » natalia gomes (Expandir a Pesquisa), nathali gomes (Expandir a Pesquisa), natali gomez (Expandir a Pesquisa)
gomes cases » gomes camoes (Expandir a Pesquisa), gomes chaves (Expandir a Pesquisa), gomes ceres (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
comps can » comps con (Expandir a Pesquisa), comes can (Expandir a Pesquisa), comp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
m natali » m natalia (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
a non » _ non (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 l comps can near ) or ((( based elderly compared a non ) or ( m natali gomes cases new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps can near ) OR ((( based elderly compared a non ) OR ( m natali gomes cases new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps can near ) or ((( based elderly compared a non ) or ( m natali gomes cases new ))))*.