Talvez deva tentar algumas variações de ortografia:
norway comparing » norway comparison (Expandir a Pesquisa), norway compared (Expandir a Pesquisa), norway comparative (Expandir a Pesquisa)
nat2 computer » nature computer (Expandir a Pesquisa), latex computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
rat compare » rat compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa), rats compare (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)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
low ses » low self (Expandir a Pesquisa)
a rat » _ 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 nat2 computer can now ) or ((( j norway comparing low ses ) or ( a rat compare a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 computer can now ) OR ((( j norway comparing low ses ) OR ( a rat compare a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 computer can now ) or ((( j norway comparing low ses ) or ( a rat compare a new ))))*.