Talvez deva tentar algumas variações de ortografia:
metals compared » meals compared (Expandir a Pesquisa), methods compared (Expandir a Pesquisa), cereals compared (Expandir a Pesquisa)
natali costa » natalia costa (Expandir a Pesquisa), natalia acosta (Expandir a Pesquisa), magali costa (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
costa can » costa ca (Expandir a Pesquisa), costa cad (Expandir a Pesquisa), costa cas (Expandir a Pesquisa)
j natali » j natalia (Expandir a Pesquisa), m natali (Expandir a Pesquisa), a natali (Expandir a Pesquisa)
nat comp » nat comm (Expandir a Pesquisa), et comp (Expandir a Pesquisa), nat cov (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
_ metals » _ metal (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), cao ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
can net » can new (Expandir a Pesquisa), dan net (Expandir a Pesquisa), can nt (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 natali costa can net ) or ( j nat comp can near ))) or ( _ metals compared can ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natali costa can net ) OR ( j nat comp can near ))) OR ( _ metals compared can ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natali costa can net ) or ( j nat comp can near ))) or ( _ metals compared can ngoc ))*.