Talvez deva tentar algumas variações de ortografia:
j mortality » a mortality (Expandir a Pesquisa), 5 mortality (Expandir a Pesquisa), 2 mortality (Expandir a Pesquisa)
arm compare » army compared (Expandir a Pesquisa), a compare (Expandir a Pesquisa), term compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
new loop » new look (Expandir a Pesquisa), new loci (Expandir a Pesquisa), new low (Expandir a Pesquisa)
loop van » knoop van (Expandir a Pesquisa), loop a (Expandir a Pesquisa), loop via (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
a net » _ net (Expandir a Pesquisa), u net (Expandir a Pesquisa), a neo (Expandir a Pesquisa)
j arm » _ arm (Expandir a Pesquisa), c arm (Expandir a Pesquisa), o arm (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 mortality compared a net ) or ( j arm compare a netw ))) or ( a new loop van ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j mortality compared a net ) OR ( j arm compare a netw ))) OR ( a new loop van ngoc ))*.