Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa)
compared low » compared law (Expandir a Pesquisa), compare low (Expandir a Pesquisa), compared do (Expandir a Pesquisa)
1 computer » _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), 2 computer (Expandir a Pesquisa)
low near » flow near (Expandir a Pesquisa), low wear (Expandir a Pesquisa), low fear (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a rat » _ rat (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( a rat compared low near ) OR ( j a clamp a new ))) OR ( 3 1 computer case new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a rat compared low near ) OR ( j a clamp a new ))) OR ( 3 1 computer case new ))*.