Talvez deva tentar algumas variações de ortografia:
level compares » level compared (Expandir a Pesquisa), levels compared (Expandir a Pesquisa), level comparison (Expandir a Pesquisa)
compares bases » compared cases (Expandir a Pesquisa), comparison bases (Expandir a Pesquisa), companies based (Expandir a Pesquisa)
palsy compared » assay compared (Expandir a Pesquisa)
compared laws » compared law (Expandir a Pesquisa), compared less (Expandir a Pesquisa), compiled laws (Expandir a Pesquisa)
a computers » a computer's (Expandir a Pesquisa), a computer (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
bases now » cases now (Expandir a Pesquisa), bases n (Expandir a Pesquisa), bases ns (Expandir a Pesquisa)
laws now » laws how (Expandir a Pesquisa), laws new (Expandir a Pesquisa), laws do (Expandir a Pesquisa)
3 level » 3 levels (Expandir a Pesquisa)
a palsy » _ palsy (Expandir a Pesquisa), c5 palsy (Expandir a Pesquisa), vi palsy (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 a computers _ now ) or ((( 3 level compares bases now ) or ( a palsy compared laws now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j a computers _ now ) OR ((( 3 level compares bases now ) OR ( a palsy compared laws now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j a computers _ now ) or ((( 3 level compares bases now ) or ( a palsy compared laws now ))))*.