Talvez deva tentar algumas variações de ortografia:
norway confirmed » korea confirmed (Expandir a Pesquisa), newly confirmed (Expandir a Pesquisa)
confirmed data » confirmed datura (Expandir a Pesquisa), confirmed fatal (Expandir a Pesquisa), confirmed dyt1 (Expandir a Pesquisa)
rates compared » rats compared (Expandir a Pesquisa), diabetes compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
clamp van » clamp can (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j norway » _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa), 1 norway (Expandir a Pesquisa)
data now » data new (Expandir a Pesquisa), data non (Expandir a Pesquisa), data nos (Expandir a Pesquisa)
j rates » j raes (Expandir a Pesquisa), j ramesh (Expandir a Pesquisa), j rajesh (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: (( 2 nat2 clamp van ngoc ) or ((( j norway confirmed data now ) or ( j rates compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 clamp van ngoc ) OR ((( j norway confirmed data now ) OR ( j rates compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 clamp van ngoc ) or ((( j norway confirmed data now ) or ( j rates compared a new ))))*.