Talvez deva tentar algumas variações de ortografia:
natali costa » natalia costa (Expandir a Pesquisa), natalia acosta (Expandir a Pesquisa), magali costa (Expandir a Pesquisa)
natl romer » paul romer (Expandir a Pesquisa), nadal romero (Expandir a Pesquisa)
costa can » costa ca (Expandir a Pesquisa), costa cad (Expandir a Pesquisa), costa cas (Expandir a Pesquisa)
romer dan » romer a (Expandir a Pesquisa), romero da (Expandir a Pesquisa), rome dans (Expandir a Pesquisa)
j natali » j natalia (Expandir a Pesquisa), a natali (Expandir a Pesquisa), j nadal (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
_ natl » _ natal (Expandir a Pesquisa), _ nat'l (Expandir a Pesquisa), _ nato (Expandir a Pesquisa)
a amp » _ amp (Expandir a Pesquisa), 5 amp (Expandir a Pesquisa), r amp (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 natali costa can netw ) or ( j a amp can netw ))) or ( _ natl romer dan non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natali costa can netw ) OR ( j a amp can netw ))) OR ( _ natl romer dan non ))*.