也許你應該嘗試一些拼寫變化:
level compared » levels compared (擴展搜索), model compared (擴展搜索), level comparison (擴展搜索)
computer based » computer aided (擴展搜索)
compared laws » compared law (擴展搜索), compared less (擴展搜索), compiled laws (擴展搜索)
dal computer » dental computer (擴展搜索), small computer (擴展搜索), local computer (擴展搜索)
aix computer » a computer (擴展搜索), udx computer (擴展搜索), tex computer (擴展搜索)
computer a » computer _ (擴展搜索)
based now » based snow (擴展搜索), based non (擴展搜索), based no2 (擴展搜索)
laws now » laws how (擴展搜索), laws new (擴展搜索), laws do (擴展搜索)
j level » j levell (擴展搜索), j levels (擴展搜索), j levelt (擴展搜索)
a ngoc » ha ngoc (擴展搜索), ta ngoc (擴展搜索), la ngoc (擴展搜索)
j dal » j dale (擴展搜索), j daly (擴展搜索), j dahl (擴展搜索)
j aix » _ aix (擴展搜索), j aim (擴展搜索), d aix (擴展搜索)

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 dal computer based now ) or ( j aix computer a ngoc ))) or ( j level compared laws now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j dal computer based now ) OR ( j aix computer a ngoc ))) OR ( j level compared laws now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j dal computer based now ) or ( j aix computer a ngoc ))) or ( j level compared laws now ))*.