Talvez deva tentar algumas variações de ortografia:
comparing causal » comparing caudal (Expandir a Pesquisa), comparing basal (Expandir a Pesquisa), comparing nasal (Expandir a Pesquisa)
small compared » small companies (Expandir a Pesquisa), recall compared (Expandir a Pesquisa), small compound (Expandir a Pesquisa)
napp comparing » gap comparing (Expandir a Pesquisa), larsp comparing (Expandir a Pesquisa), up comparing (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
causal new » causal de (Expandir a Pesquisa), causal del (Expandir a Pesquisa), causal en (Expandir a Pesquisa)
nab clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
n small » en small (Expandir a Pesquisa), n smail (Expandir a Pesquisa), non small (Expandir a Pesquisa)
c napp » c nap1 (Expandir a Pesquisa), c napb (Expandir a Pesquisa), c narp (Expandir a Pesquisa)
_ nab » _ nad (Expandir a Pesquisa)
netw » net (Expandir a Pesquisa), neto (Expandir a Pesquisa), nets (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: (((( n small compared can new ) or ( c napp comparing causal new ))) or ( _ nab clamp ar netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( n small compared can new ) OR ( c napp comparing causal new ))) OR ( _ nab clamp ar netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( n small compared can new ) or ( c napp comparing causal new ))) or ( _ nab clamp ar netw ))*.