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)
comparing law » comparing low (Expandir a Pesquisa), comparing lay (Expandir a Pesquisa), comparing lead (Expandir a Pesquisa)
rat ampa » rat amp (Expandir a Pesquisa), rat alpha (Expandir a Pesquisa), rat apo (Expandir a Pesquisa)
ampa can » ampa ka (Expandir a Pesquisa), ampa en (Expandir a Pesquisa), ampa n (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
j norway » _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa), 1 norway (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
_ rates » _ rats (Expandir a Pesquisa), _ rate (Expandir a Pesquisa)
2 rat » _ rat (Expandir a Pesquisa), a rat (Expandir a Pesquisa), 1 rat (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 rat ampa can ngoc ) or ((( j norway comparing law note ) or ( _ rates compared _ new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 rat ampa can ngoc ) OR ((( j norway comparing law note ) OR ( _ rates compared _ new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 rat ampa can ngoc ) or ((( j norway comparing law note ) or ( _ rates compared _ new ))))*.