Talvez deva tentar algumas variações de ortografia:
routes compared » rates compared (Expandir a Pesquisa), rantes compared (Expandir a Pesquisa), rules compared (Expandir a Pesquisa)
based compared » based computed (Expandir a Pesquisa), based companies (Expandir a Pesquisa), based computer (Expandir a Pesquisa)
coma caused » sarcoma caused (Expandir a Pesquisa), eczema caused (Expandir a Pesquisa), edema caused (Expandir a Pesquisa)
caused netw » caused death (Expandir a Pesquisa), caused fetal (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
a norreys » a norris (Expandir a Pesquisa), a nortes (Expandir a Pesquisa)
j routes » 2 routes (Expandir a Pesquisa), 7 routes (Expandir a Pesquisa), en routes (Expandir a Pesquisa)
_ based » _ base (Expandir a Pesquisa), _ bases (Expandir a Pesquisa)
a coma » a comb (Expandir a Pesquisa), a combat (Expandir a Pesquisa), a comida (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: (( j a coma caused netw ) or ((( j routes compared a norreys ) or ( _ based compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j a coma caused netw ) OR ((( j routes compared a norreys ) OR ( _ based compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j a coma caused netw ) or ((( j routes compared a norreys ) or ( _ based compared a new ))))*.