Talvez deva tentar algumas variações de ortografia:
norway comparative » array comparative (Expandir a Pesquisa), germany comparative (Expandir a Pesquisa), policy comparative (Expandir a Pesquisa)
agents compared » stents compared (Expandir a Pesquisa), events compared (Expandir a Pesquisa), patients compared (Expandir a Pesquisa)
comparative al » comparative a (Expandir a Pesquisa), comparative ab (Expandir a Pesquisa), comparative age (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
j norway » _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa), 1 norway (Expandir a Pesquisa)
4 agents » 4 ages (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
al net » al next (Expandir a Pesquisa), ral net (Expandir a Pesquisa), al new (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 can non ) or ((( j norway comparative al net ) or ( 4 agents compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 clamp can non ) OR ((( j norway comparative al net ) OR ( 4 agents compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 clamp can non ) or ((( j norway comparative al net ) or ( 4 agents compared a new ))))*.