Talvez deva tentar algumas variações de ortografia:
norway comparison » airway comparison (Expandir a Pesquisa), way comparison (Expandir a Pesquisa), assay comparison (Expandir a Pesquisa)
comparison low » comparison long (Expandir a Pesquisa), comparison do (Expandir a Pesquisa), comparison bot (Expandir a Pesquisa)
rate compare » rate compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa), hydrate compare (Expandir a Pesquisa)
nat2 thom » nat2 com (Expandir a Pesquisa)
thom tran » tho tran (Expandir a Pesquisa), thomas tran (Expandir a Pesquisa), thong tran (Expandir a Pesquisa)
tran ngc » tran ngoc (Expandir a Pesquisa), tran nga (Expandir a Pesquisa), tran n.c (Expandir a Pesquisa)
j norway » _ norway (Expandir a Pesquisa), a norway (Expandir a Pesquisa), 1 norway (Expandir a Pesquisa)
j rate » j rane (Expandir a Pesquisa), j race (Expandir a Pesquisa), j rath (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 thom tran ngc ) or ((( j norway comparison low non ) or ( j rate compare _ new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 thom tran ngc ) OR ((( j norway comparison low non ) OR ( j rate compare _ new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 thom tran ngc ) or ((( j norway comparison low non ) or ( j rate compare _ new ))))*.