Talvez deva tentar algumas variações de ortografia:
germany comparative » array comparative (Expandir a Pesquisa), therapy comparative (Expandir a Pesquisa)
routes compared » route compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa), rantes compared (Expandir a Pesquisa)
comparative a » comparative anti (Expandir a Pesquisa), comparative audit (Expandir a Pesquisa), comparative amino (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
nat2 camp » ca2 camp (Expandir a Pesquisa), nat2 com (Expandir a Pesquisa)
j germany » a germany (Expandir a Pesquisa), j german (Expandir a Pesquisa), 1 germany (Expandir a Pesquisa)
j routes » _ routes (Expandir a Pesquisa), 2 routes (Expandir a Pesquisa), 3 routes (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
ca non » coa non (Expandir a Pesquisa), nca non (Expandir a Pesquisa), ia non (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (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 camp ca non ) or ((( j germany comparative a netw ) or ( j routes compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 camp ca non ) OR ((( j germany comparative a netw ) OR ( j routes compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 camp ca non ) or ((( j germany comparative a netw ) or ( j routes compared a new ))))*.