Talvez deva tentar algumas variações de ortografia:
boys compared » boy compared (Expandir a Pesquisa), bolus compared (Expandir a Pesquisa), bouts compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
nay clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), j nay (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
_ nay » _ nayf (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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 nat) OR (e nat)) comp can netw ) or ((( _ boys compared a new ) or ( _ nay clamp a netw ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ((j nat) OR (e nat)) comp can netw ) OR ((( _ boys compared a new ) OR ( _ nay clamp a netw )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( ((j nat) OR (e nat)) comp can netw ) or ((( _ boys compared a new ) or ( _ nay clamp a netw ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ((j nat) OR (e nat)) comp can netw ) or ((( _ boys compared a new ) or ( _ nay clamp a netw ))))*.