Talvez deva tentar algumas variações de ortografia:
rats compared » rates compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
compared low » compared law (Expandir a Pesquisa), compare low (Expandir a Pesquisa), compare slow (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 rats » fa rats (Expandir a Pesquisa), da rats (Expandir a Pesquisa), a rate (Expandir a Pesquisa)
3 vhdl » _ vhdl (Expandir a Pesquisa), 3 hdl (Expandir a Pesquisa), a vhdl (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: (((( a rats compared low near ) OR ( j a clamp a new ))) OR ( 3 vhdl computer case new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a rats compared low near ) or ( j a clamp a new ))) or ( 3 vhdl computer case new ))*.