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 » rats compared (Expandir a Pesquisa), diabetes compared (Expandir a Pesquisa)
comparing law » comparing low (Expandir a Pesquisa), comparing lay (Expandir a Pesquisa), comparing lead (Expandir a Pesquisa)
trade ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trade non (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
a norway » _ norway (Expandir a Pesquisa), a norwalk (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
rat amp » rat ampa (Expandir a Pesquisa), mat amp (Expandir a Pesquisa), fat amp (Expandir a Pesquisa)
_ rates » _ rats (Expandir a Pesquisa), _ rate (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: (( _ rat amp trade ngoc ) or ((( a norway comparing law note ) or ( _ rates compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ rat amp trade ngoc ) OR ((( a norway comparing law note ) OR ( _ rates compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ rat amp trade ngoc ) or ((( a norway comparing law note ) or ( _ rates compared a new ))))*.