Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
heart compared » haart compared (Expandir a Pesquisa), heat compared (Expandir a Pesquisa), health compared (Expandir a Pesquisa)
compared laws » compared law (Expandir a Pesquisa), compared less (Expandir a Pesquisa), compiled laws (Expandir a Pesquisa)
gel compared » model compared (Expandir a Pesquisa), level compared (Expandir a Pesquisa), gel prepared (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
a computer » _ computer (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
laws new » laws now (Expandir a Pesquisa), laws e (Expandir a Pesquisa), laws how (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
a heart » a heat (Expandir a Pesquisa), a health (Expandir a Pesquisa)
_ gel » _ get (Expandir a Pesquisa), _ geo (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: (( i a computer based snow ) or ((( _ gel compared can now ) or ( a heart compared laws new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i a computer based snow ) OR ((( _ gel compared can now ) OR ( a heart compared laws new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i a computer based snow ) or ((( _ gel compared can now ) or ( a heart compared laws new ))))*.