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 lead » comparing head (Expandir a Pesquisa), comparing clean (Expandir a Pesquisa), comparing legal (Expandir a Pesquisa)
computer van » computer a (Expandir a Pesquisa), computer v3 (Expandir a Pesquisa), computer vi (Expandir a Pesquisa)
ip computer » _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), 3d computer (Expandir a Pesquisa)
rat compare » rat compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa), rats compare (Expandir a Pesquisa)
lead netw » lead new (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
van ngo » van ngoc (Expandir a Pesquisa)
2 ip » 2 i (Expandir a Pesquisa), _ ip (Expandir a Pesquisa), 2 p (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 ip computer van ngo ) or ((( _ norway comparing lead netw ) or ( _ rat compare a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 ip computer van ngo ) OR ((( _ norway comparing lead netw ) OR ( _ rat compare a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 ip computer van ngo ) or ((( _ norway comparing lead netw ) or ( _ rat compare a new ))))*.