Talvez deva tentar algumas variações de ortografia:
level compared » levels compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa), level comparison (Expandir a Pesquisa)
adl computers » aids computers (Expandir a Pesquisa), do computers (Expandir a Pesquisa), a computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
comparer les » comparee les (Expandir a Pesquisa), combler les (Expandir a Pesquisa), preparer les (Expandir a Pesquisa)
compared ha » compared a (Expandir a Pesquisa), compared can (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), cao ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
a level » sea level (Expandir a Pesquisa)
ha ngoc » pham ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa)
les non » des non (Expandir a Pesquisa), les noms (Expandir a Pesquisa)
a nagy » e nagy (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: (( _ adl computers can ngoc ) or ((( a level compared ha ngoc ) or ( a nagy comparer les non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ adl computers can ngoc ) OR ((( a level compared ha ngoc ) OR ( a nagy comparer les non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ adl computers can ngoc ) or ((( a level compared ha ngoc ) or ( a nagy comparer les non ))))*.