Talvez deva tentar algumas variações de ortografia:
comments based » comments raised (Expandir a Pesquisa), moments based (Expandir a Pesquisa), cements based (Expandir a Pesquisa)
daily comments » early comments (Expandir a Pesquisa), daily movements (Expandir a Pesquisa), daily community (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)
based new » based next (Expandir a Pesquisa), based near (Expandir a Pesquisa), based n (Expandir a Pesquisa)
clamp em » clamp m (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa)
em newts » em nebts (Expandir a Pesquisa), em newton (Expandir a Pesquisa), _ newts (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (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: (((( e nat compr can new ) or ( j a clamp em newts ))) or ( _ daily comments based new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat compr can new ) OR ( j a clamp em newts ))) OR ( _ daily comments based new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat compr can new ) or ( j a clamp em newts ))) or ( _ daily comments based new ))*.