Talvez deva tentar algumas variações de ortografia:
comparison case » comparison based (Expandir a Pesquisa), comparison a (Expandir a Pesquisa), comparison data (Expandir a Pesquisa)
daily commutes » daily commute (Expandir a Pesquisa), daily computer (Expandir a Pesquisa), daily computed (Expandir a Pesquisa)
al comparison » trial comparison (Expandir a Pesquisa), global comparison (Expandir a Pesquisa)
commutes case » communities case (Expandir a Pesquisa), commutes a (Expandir a Pesquisa), commons case (Expandir a Pesquisa)
case near » cases near (Expandir a Pesquisa), care near (Expandir a Pesquisa), base near (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
case note » case notes (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
c daily » _ daily (Expandir a Pesquisa), a daily (Expandir a Pesquisa), d daily (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ al comparison case near ) OR ( j a clamp can newts ))) OR ( c daily commutes case note ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ al comparison case near ) or ( j a clamp can newts ))) or ( c daily commutes case note ))*.