Talvez deva tentar algumas variações de ortografia:
elderly compared » elderly comparison (Expandir a Pesquisa), elderly care (Expandir a Pesquisa)
delta computer » data computer (Expandir a Pesquisa), delphi computer (Expandir a Pesquisa), stella computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
computer age » computer image (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer aided (Expandir a Pesquisa)
aix computer » udx computer (Expandir a Pesquisa), ip computer (Expandir a Pesquisa), tex computer (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
j elderly » do elderly (Expandir a Pesquisa), j elder (Expandir a Pesquisa), j elders (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (Expandir a Pesquisa)
age now » age new (Expandir a Pesquisa), age non (Expandir a Pesquisa), age nor (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (Expandir a Pesquisa)
j aix » _ aix (Expandir a Pesquisa), j aim (Expandir a Pesquisa), d aix (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 delta computer age now ) or ( j aix computer case now ))) or ( j elderly compared law now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j delta computer age now ) OR ( j aix computer case now ))) OR ( j elderly compared law now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j delta computer age now ) or ( j aix computer case now ))) or ( j elderly compared law now ))*.