Talvez deva tentar algumas variações de ortografia:
norway comparative » array comparative (Expandir a Pesquisa), germany comparative (Expandir a Pesquisa), policy comparative (Expandir a Pesquisa)
comparative tax » comparative taxo (Expandir a Pesquisa), comparative text (Expandir a Pesquisa), comparative two (Expandir a Pesquisa)
rates compared » rats compared (Expandir a Pesquisa), diabetes compared (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
j norway » _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa), 1 norway (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
tax non » tax now (Expandir a Pesquisa)
j rates » j raes (Expandir a Pesquisa), j ramesh (Expandir a Pesquisa), j rajesh (Expandir a Pesquisa)
2 nat » 2 nat2 (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), 2 nap (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 nat compr can non ) or ((( j norway comparative tax non ) or ( j rates compared _ new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat compr can non ) OR ((( j norway comparative tax non ) OR ( j rates compared _ new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat compr can non ) or ((( j norway comparative tax non ) or ( j rates compared _ new ))))*.