Talvez deva tentar algumas variações de ortografia:
norway comparing » norway comparison (Expandir a Pesquisa), norway compared (Expandir a Pesquisa), norway comparative (Expandir a Pesquisa)
comparing sars » comparing short (Expandir a Pesquisa), comparing serum (Expandir a Pesquisa), comparing self (Expandir a Pesquisa)
race compare » race compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa), brace compared (Expandir a Pesquisa)
clamp phan » clamp can (Expandir a Pesquisa)
phan ngoc » pham ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), ha ngoc (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
j norway » _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa), 1 norway (Expandir a Pesquisa)
sars now » sars new (Expandir a Pesquisa), sars non (Expandir a Pesquisa), sugars now (Expandir a Pesquisa)
j race » j racek (Expandir a Pesquisa), j rane (Expandir a Pesquisa), j rachel (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 phan ngoc ) or ((( j norway comparing sars now ) or ( j race compare a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 clamp phan ngoc ) OR ((( j norway comparing sars now ) OR ( j race compare a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 clamp phan ngoc ) or ((( j norway comparing sars now ) or ( j race compare a new ))))*.