Talvez deva tentar algumas variações de ortografia:
levelt compared » levels compared (Expandir a Pesquisa), level compared (Expandir a Pesquisa), cement compared (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
compiled laws » compiled data (Expandir a Pesquisa), compiled bafa (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
a computer » _ computer (Expandir a Pesquisa)
a compiled » a compiler (Expandir a Pesquisa), _ compiled (Expandir a Pesquisa), a compelled (Expandir a Pesquisa)
j levelt » f levelt (Expandir a Pesquisa), j levell (Expandir a Pesquisa), j levels (Expandir a Pesquisa)
law non » law note (Expandir a Pesquisa), thaw non (Expandir a Pesquisa)
laws do » laws d (Expandir a Pesquisa), laws how (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 non ) or ((( j levelt compared law non ) or ( i a compiled laws do ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i a computer based non ) OR ((( j levelt compared law non ) OR ( i a compiled laws do )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i a computer based non ) or ((( j levelt compared law non ) or ( i a compiled laws do ))))*.