Talvez deva tentar algumas variações de ortografia:
norway comparing » norway comparison (Expandir a Pesquisa), norway compared (Expandir a Pesquisa), norway comparative (Expandir a Pesquisa)
rates compared » diabetes compared (Expandir a Pesquisa)
nac computer » a computer (Expandir a Pesquisa), ugc computer (Expandir a Pesquisa), c computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
rij rates » rij rats (Expandir a Pesquisa), rij rat's (Expandir a Pesquisa), rij rat (Expandir a Pesquisa)
1 norway » 10 norway (Expandir a Pesquisa), _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa)
a nac » a nao (Expandir a Pesquisa), _ nac (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: (( a nac computer can new ) or ((( 1 norway comparing _ netw ) or ( rij rates compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a nac computer can new ) OR ((( 1 norway comparing _ netw ) OR ( rij rates compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a nac computer can new ) or ((( 1 norway comparing _ netw ) or ( rij rates compared a new ))))*.